What is the percent decrease from 40 to 25

Write an expression show 10 less than a number n?

Graph the function A = 12x-x2

I have a set of 19 notes, all $5 or $20, worth $215 in total. of these notes, nine are in my wallet. what is the possible range for the amount of money in my wallet

For spring break you and some friends plan a road trip to a sunny destination that is 1705 miles away. if you drive a car that gets 39 miles per gallon and gas costs $3.339/gal, about how much will it cost to get to your destination?

These prisms are similar. Find the volume of the larger prism in decimal form. Ratio 5:7. Volume of smaller Prism is 50 m3

What is the value of 3/4 k to the 3rd power - 9 when K=3

What is a common factor for the expression 24x^2+16x+144

The total cost of 6 pens and 3 folders. A folder costs $1.15 more than a pen.

An epidemiologist found five cases of "big toe cancer" in the Yukon Territory. Because there were only a few cases, the epidemiologist decided to conduct a matched case-control study to determine whether shoe size larger than 9 is a risk factor for

What does proportional mean?