A certain human red blood cell has a diameter of 0.000007 meters. Write an expression that represents this diameter, in meters in scientific notation.

Event B is dependent on event A, and event A occurs before event B. Which formula can be used to find the probability of event A? a. P (A and B) P (B) b. P (A and B) P (B|A) c. P (A and B) P (A|B) d. P (A and B) * P (B|A) e. P (A and B) * P (B)

4 yd greater than 13ft

You are selling tickets to a play. You have sold (3t+2) tickets for $5 each and (2t+5) tickles for $7each. Write an expression that represents the total numbers of tickets sold so far. Then simplify the expression.

If a half gallon of milk cost $1.24, what is the cost per pint?

What is a recriprocal of 25

Carol put some green and red unit cubes in a box. The ratio of the number of red cubes is 2:1. She adds 12 more red cubes in the box and the ratio becomes 4:5.

A right triangle has a perimeter of 84. The ratio of each of the sides are 3:4:5. What are the lengths of each side of the triangle?

Given the function f (x) = - 3x3 + 9x2 - 2x + 3, what part of the function indicates that the left end starts at the top of the graph?

A square is cut into two congruent triangles by drawing the diagonal between two corners. If the area of each triangle is 162 cm, what is the length of the side of the square?

Suppose ΔXYZ is given, and you want to construct ΔABC so that the triangles are congruent. Which constructions would guarantee that ΔXYZ ≅ ΔABC? Check all that apply.