Commemorative coins come in packs of 15, while coin holders come in packs of 25. What are the least numbers of packs you should buy in order to have the same numbers of coins and coin holders?

Given a circle with center (8,-2) and radius 17

What are the steps to solve a^2+6a+9/a-10?

Maria said,"the 4 in 400,000 has a value of 400." is maria correct? explind

Craig is training for a race. He bikes every 2 days and swims every 3 days. If he biked and swam today, how many days will pass before he bikes and swims on the same day again, the least common multiple of the numbers of days?

Solve for x 2m-nx=x+4

John is twice as old as Mary. The sum of their ages is 21. How old is Mary? Let J = John's age and M = Mary's age. Select the system equations that represents the problem. J - 2M = 0 M - 2J = 0 J + M = 21 J = M + 2

A function is defined by f (x) = x/4, what is f (-8)

Find tan θ if sec θ = √26/5 and sin θ < 0.

Why do you think you need to add zero pairs to get the - 1 - tiles to fit in the rectangle?

Could someone explain to me how to find the unit value for something?