To subtract 78-35 mentally, they added 5 to each number and also 2 to each number. will both methods works to find the correct answer?

A $79 television is on sale for $65. What percent discount was given?

What's the prime factorization of 650

What is 3p + 12m + 8 equivalent expression

Use the quadratic formula to solve the equation. Round to the nearest hundredth if needed. -4x^2 + 2x + 3 = 0

Which expression shows the simplified form of (8r^-5) ^-3 A. 8r^15 B. 8/r^15 C. 512r^15 D. r^15/512

How many dollars are in 65536

An oblique prism with a square base of edge length x units has a volume of x3 cubic units. Which expression represents the height of the prism? x units x units 2x units x units

How to slimplify 4/7

What's 8/9 minus 3/8?

Scores on exam are normally distributed with a mean of 45 and standard deviation of 8 1. what is the probability that the score of a student will be higher than 52.6? 2. what proportion of the students score below 43? 3.