Man has 42 stamps. 13 and. 18 cents. He spends $6.66 on each. How much did he spend on each type and how many of each did he buy?

7x-x=x+35 how do I slove this

Arah described the following situation: When more apples grew in the backyard, the pet cat stayed indoors for a longer time. Which of the following best describes the situation? This is an example of correlation but not causation.

Make a table and graph: f (x) = x-2

Suppose that 10% of the general population has a disease and the test for the disease is accurate 80% of the time. What is the probability of testing postive for the disease

If a car travels 30 mph for 1 hour, and 40 mph for 1 hour, what is the average velocity of the trip?

12x+8-3x=-1 This is a multi-step equation

A school principal ordered 1000 pencils ha gave an equal number to each of 7 teachers until he had given as many as possible

Find the length of the longer leg of a right triangle to the nearest tenth of a yard if the hypotenuse is 19 yards and the shorter leg is 5 yards. A: 14.0 yd B: 18.3 yd C: 19.8 yd D: 24.1 yd

An airplane flies 1600 miles in 2 hours What is its average speed in miles per hour?

Factor the expression completely: x^3-27y^3