How many different ways can a chairperson and an assistant chairperson be selected for a research project if there are 7 scientists available? Which counting method do you use?

X^2 + 5x + c find the value of c that makes each trinomial a perfect square

The manager of the toy store at the mall is curious about why nobody is buying the new robot toys. He's very annoyed because he paid a lot of money for inventory, and wants to know how to get the merchandise sold.

The radius of the cone is 5 in and y = 13 in. What is the volume of the cone in terms of π? A cone with a right triangle formed from its dimensions; the value of the height is h, and the value of the slant height is y;

A 32-inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third is 4 times as long as the first piece. If x represents the length of the first piece, find the lengths of all three pieces

Translate the sentence into an equation. Two less than the product of 8 and a number equals 6. Use the variable y for the unknown number.

Which function has real zeros at x = - 10 and x = - 6? f (x) = x2 16x 60 f (x) = x2 - 16x 60 f (x) = x2 4x 60 f (x) = x2 - 4x 60

Dane's puppy weighted 8 ounces when it was born. Now the puppy weighs 18 times as much as it did when it was born. How many pounds does Dane's puppy weigh now?

Jake recorded a special album in honor of mother's da. His mom was so excited she purchased 40% of the copies in the store. She has 80 copies of the cd. How many cd did the store have for sale

a recipe for french toast that serves 6 calls for 3/4 cup of granulated sugar, 1 cup of evaporated milk, 1/3 teaspoon of vanilla, and 12 thick slices of French bread. How much sugar do you need to feed 12 people? (Black)

What is the expression written using each base only once? (-4) ^-6 * (-4) ^7 A. 4^13 B.-4 C. 13 D. 1 Find the simplified form of expression. Give your answer in scientific notation. (3 x 10^6) (8 x 10^-4) A. 1.1 x 10^3 B. 2.4 x 10^3 C. 1.