Find the values of a and b so that the solution of the linear system is (5,2)

ax+by=23

ax-by=7

If the m∠X = 34° and the m∠Z = 26°, what is the m∠Y? m∠Y = 26° m∠Y = 34° m∠Y = 60° m∠Y = 120°

You place a cup of 220 degrees F hot chocolate on a table in a room that is 72 degrees F, and 12 minutes later, it is 205 degrees F. Approximately how long will it be before the coffee is 175 degrees F? Round to the nearest minute.

Tanvir graphed the relationship between the number of rotations of the screwdriver and the height of a screw head above a piece of wood. What does the slope represent in this context

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

A number, x, increased by twice itself is less than 72. find all possible values for a number.

How many grams in a pound?

The ratio of apples to orgens is 1 to 3 for every 2 apples there are 6 ornges for every 4 apples there are 12 ornges

Andy has 9 math books and 6 reading books. If he want to distibrute them evenly among some bookshelves so that each has the same combination of books with none left over what is greatest number of bookshelves Andy can use.

What is the simplified value of the exponential expression 16 1/4? (A) 1/2 (B) 1/4 (C) 2 (D) 4

17. Solve the equation. Show your work. 8x - 12 = 4x + 24