How do you write an algebraic expression for 42 decreased by twice some number

What is the square root of the fraction 25/100?

A little boy stands on a carousel and rotates around the ride 4 times if the distance between the little boy and the center of the carousel is 6 feet then how many feet did the little boy travel

Rewrite using a negative exponent. 1 3^2

Find (r-s) (t-s) + (s-r) (s-t) for all numbers r, s, and t. (a) 0 (b) 2 (c) 2rt (d) 2 (s-r) (t-s) (e) 2 (r-s) (t-s)

At a warehouse, 127 delivery trucks were loaded w 48 packages on each truck. Estimatethe total number of packages on the trucks. Write an equation to model work.

Bill can hit a bucket of 323323323 golf balls in 171717 hours. how many golf balls can bill hit in 232323 hours?

An equation is shown below 3 (2x - 7) = 3 How many solutions does this have and what are the solutions

Explain how you decide whether a number is a prime number or a composite number

An equation is shown below: 2 (7x - 3) = 9 which of the following correctly shows the beginning steps to solve this equation?

Your long distance telephone provider offers two plans, Plan A has a monthly fee of $15 and $0.25 per minute. Plan B has a monthly fee of $20 and $0.05 per minute.