Louise runs the first half of a race at 5 miles per hour. then she picks up her pace and runs the last half of the race at 10 miles per hour. what is her average speed on the course?

If georgina travels 355 km in 7 hrs, how far will she travel in 8.5 hrs at the same ratio.

What is the polynomial 3y^2 + (y+7) ^2-15

The width of a rectangle is 3 less than twice the length, x. If the area is 43 square feet, which equation can be used to find the length in feet? A. 2x (x-3) = 43 B. x (3-2x) = 43 C. 2x + 2 (2x-3) = 43 D. X (2x-3) = 43

What does x= -1 = - 3x+2

The quotient of j and 8" can be expressed as: A. j/8 B. 8j C. j - 8 D. j + 8

There are 30 legs in my backyard but I'm counting dogs and kids. How many dogs and kids are in my backyard?

Find the intercepts for the graph of the equation. - 2x - 2y = 10

The perimeter of a rectangle is 72 m. The width of the rectangle is 16 m. What is the area of the rectangle

a business-owners open one store in town a the equationrepresents the anticipated profit after T years

Which is the quotient of 4.18 X 10° which is the quotient or 7.1 x 10-2 A. 3.8 X 106 B. 3.8 x 100 C 3.8 x 1016 D. 3.8 x 104 em