A) Make h the subject of the formula if S = 2trh + 2tr. b) Determine h if S = 1 221 and r = 10,5.
c) This formula gives the surface area of a solid.
Which one?​

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9