Find the value of x.

the answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844

answer: a.

step-by-step explanation: the answer is a. because, you need to converge the fractions to find a solution.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.