If b + 2a = c and 2a + b = 10, what is c? Explain how you know.

Share 264 in the ratio 2:3:1

How many solutions does the equation 9x-3 (x+8) = 6x-24

The Magic Carpet charges $90 for installation and $9 per square yard of carpeting. The Carpeteria's installation price is $50 but the store charges $13 for each square yard.

Hey scientist has it the amount of rainfall during the afternoon is around 0.43 minutes and each hour what was the total amount of rain fall in three hours

The ratio of Mark's age to Reeta's age is 3 : 5 Mark's age is 24 years. Work out Reeta's age.

Write a rule that represents the function. The ordered pairs are (0,0) (1,0.5) (2,2) (3,4.5) (4,8)

What is 9:630 and can you explain and show your work?

What is the interest earned on $400 invested at the rate of 6% for one year?

How many solutions are to 2x - 5y=17 6x-15y=51

What does it mean if a quotient is undefined? (1.5/2.4) ?