10 (1 + 3b) = -20 solve

Gelisa sets a goal of running between 32 and 35 miles this week. she ran 4 1/2 each morning, monday through friday. how many miles could gelisa run this weekend and stay within the limits of her goal? a-9 miles b-11 miles c-13 miles d - 15 miles

Consider the system of linear equations. 7x+16y=-2 9x-4y=22 To use the linear combination method and addition to eliminate the y-terms, by which number should the second equation be multiplied? A. - 4 B. - 1/4 C. 1/4 D. 4

Grady drew a circle on a drawing pad during Math class. The diameter of the circle is 64 inches. Using the formula below for area of a circle, what is the exact area, in square inches, of Grady's circle?

What is the value of 9905482

What is 50/5 as a mixed number in simplest form

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.