M varies jointly as q and r. One set of values is m = 86.4, q = 9, and r = 12. Find m when q = 20 and r = 6.5.

Water photograph for he starts out of position that is 15 feet below sea level rises 6ft then descends 12ft to take a photo of a coral reef enter an expression to find his position relative to sea level

Let X = the number of nonzero digits in a randomly selected 4-digit PIN that has no restriction on the digits. What are the possible values of X? 0, 1, 2, 3, 4 0, 1, 2, 3, 4, ... 1, 2, 3, 4, ... 1, 2, 3, 4 0, 1, 2, 3

Sue wrote a double fact. It has a some less than 10 and greater than four. The Adams are each less than five. What fact my she have written

Subtract 2y²+5y + 8 from 6y - 2y+3.

If you have 516 divided by 8 what is the remainder

Using quarters, dimes, nickles and pennies how to make $1.53 in 12 coins

What figure has 4 sides & only one pair of parallel lines

What is 1,265 divided by 34

Find the number of degrees in the third angle which is X of the triangle 42 and 100

At a party 53 people arrived. Then 100 people came later on. What is the percent of change.