You purchase a DVD and two books. The cost of the DVD is 12.50. Your total bill before tax is 48.50. Write and slove an equation to find the cost of each book. Let n + cost of book

Four student's grades changed after the last test. Which student's grade changed the least? Student A: from 92% to 95% Student B: from 87% to 81% Student C: from 98% to 94% Student D: from 82% to 87%

How long will it take Jordon to drive 600 miles if his average speed is 65 miles per hour? t = 600/65 per hour How many hours

Oliva has signed up for snowboarding lessons. Her parents set a limit of 400$ for costs for the season. It costs 250$ to get a mountain pass plus 9.5$ for each practice session. What is the maximum number of practice sessions that Olivia can go to?

A principal orders t-shirts and wants to check some of them to make sure they were printed properly. She randomly selects 2 of the 10 boxes of shirts and checks every shirt in those 2 boxes. What type of sample is this? A. Simple random sample B.

How do you simplify the mathematical expression: 4 (x-6) + 3x

What is 1.179 rounded to the nearest 2dp

Continue the pattern for 3 more numbers, 1, 3, 7, 13, 21,__, __, __. What is the pattern?

A sauce recipe uses 4 cans of tomatoes in every 21/2 quarts. how many cans of tomatoes are used in each quart of the sauce?

In geometry, the kissing number of a mathematical space is defined as the greatest number of non-overlapping unit spheres that can be arranged in that space such that they each touch a common unit sphere.

leg a of a right triangle is 12 inches long and the hypotenuse c is 13 inches long how long is the other leg b