Last year, company t sold 2.8×106 vehicles, and company h sold 15 percent of the number of vehicles that company t sold. how many vehicles did company h sell last year? give your answer in scientific notation.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Ineed the solution to this problem and the steps.

L2.8.2 test (cst): triangles in the figure, pq is parallel to rs. the length of rp is 5 cm; the length of pt is 30 cm; the length of q7 is 60 cm. what is the length of so? o a. 20 cm 0 0 o b. 6 cm o c. 10 cm od. 2 cm 0 previous