The equation x2 - 1x - 90 = 0 has solutions {a, b}. What is a + b?

A) - 19

B) - 9

C) 1

D) 10

If johny has 10 apples and Suzie has 2 apples. How many more apples does johny have?

George tiles floors for a living and he is tiling a room that is 32 feet by 25 feet. How many tiles does he need?

A box contains 2 red and 3 blue marbles. find the probability that if two marbles are drawn at random (without replacement), (a) both are blue, (b) both are red, (c) one is red and one is blue.

Keith Wendell plans to borrow $5,810. He has decided on a term of 95 days at 8% interest. He has a choice of two lenders. One calculates interest using a 360-day year and the other uses a 365-day year.

A caterer charges a $65 equipment fee to set up for a party and $9.50 per p person for food served at the party. Which of the functions ƒ (p) could be used to determine the total cost of a having a party catered?

17u-8u=18 Can u explain how this works

What percent of 140 is 3?

Joy is planning to purchase a sweater that costs $30 dollars at her local department store. The sweaters are on sale for 20% off. Which steps are needed to find the sale price of the sweater? A. Convert the percent to its decimal equivalent.

Positive numbers are located to the left of zero on the number line. True False

Doug entered a canoe race. he rowed 3 1/2 miles in 1/2 hour. what is his average speed in miles per hour?