What's the anewer to this problem ... ?

21*__=9*21

tell which property you used 21*=9*21

Property of multiplication ...

Use elimination to solve the following system of equations: 17x - 2y = 25,17x + 3y = 5

A full container of juice holds 64 fluid ounces. how many 7 fluid ounce servings of juice are in a full container?

Two math students were asked to write an exeponential growth equations that had a starting value of 300 and a growth rate of 2%. Pierre thinks the answer is y=300 (1.02) ^x and Scott thinks that the answer is y=300 (1.2) ^x.

A school charges $6 per ticket to a dance. They spend $300 on music and decorations. The expression 6n-300 describes the amount of profit the school makes from the dance if n students buy tickets. What does 6n represent in this context?

Kevin is 333 times as old as Daniel. 444 years ago, Kevin was 555 times as old as Daniel. How old is Daniel now?

Which of these is likely to be his next step in constructing the perpendicular line?

Fractions is greater than 2/5 and less than 3/5?

Their sum is 7, and their product is 15

The circumference of a circular pond is 942 feet. A model boat is moving directly across the pond along the diameter at a rate of 4 feet per second. How long does it take the boat to get to the other side?

A parallelogram with all angles measuring 90 degrees is what type of quadrilateral? (I wanna say rectangle ...) A. rhombus B. kite C. trapezoid D. rectangle