A car completes a journet at an average speed of 40km/h. at what speed must it travel on return journey if average speed for complete journey is 60km/h

Solve the equation. 3x-3=-18

Mrs. Branch wants to conduct a survey to determine which booth her 7th grade students want to run at the school carnival. Determine which surveys would, or would not, create a random sample for this population.

What is guess and test strategy

What is the solution to - 2.5 (4x-4) = - 6

Find the product. d j · d k

In a group of 48 children, there are twice as many boys as girls. How many girls are there?

A squared has a length of 5mm what is the perimeter of the square in dm?

Select the all numbers below which are rational numbers. - 76 (Square root) 13 3.14159 ... 10.030030003 ... 0.625 18.310 (Square root) 0.25 5/9

Sisters Rosey and Valerie specialize in two different triathlon events. Rosey finds that her average cycling speed is 7 mph faster than Valerie's average running speed. Rosey can cycle 32 miles in the same time that it takes Valerie to run 18 miles.

A restaurant charges $3.00 for a refillable cup. Tha refills are complementary.