Tracy used mental math to find 7*38 as shown below. what is x? 7*38 = 7 (40-2) = 7 (x) - 7 (2)

What's an equivalent expression to 4 (4a+5)

The volume of a cone is 180 in3. find a function that models the height h of the cone in terms of its radius r.

Which method did she use to collect her data

The following equation is used to calculate (g pure material) / (g impure material) x 100 A. % recovery B. theoretical yield C. actual yield D. % yield

Tom had 44 minutes to finish my work

On Saturday Elena biked 10 miles. On Sunday she biked 50% of that distance. How far did she travel on Sunday?

Coffee costs $12 per case, and tea costs $8 per case. If an order comes in for a total of 250 cases for $2,600, what was the specific number of cases of tea? (Hint: Let C = cases of coffee.)

Factor completely 4x^2-32 4 (x+4) (x-4) 4 (x+4) (x-8) 4 (x^2-8) Prime

Each student in a class plays one of three sports soccer, volleyball or basketball. 1/4 of them play soccer. 3/5 of them play volleyball. How many of them play basketball?

What is the answer to the problem: 45.8 m x 0.385 m x 5.81 m? a. 102.448m^3 b. 102.45 m^3 c. 102.4 m^3 d. 102 m^3