Each side of a square is increasing at a rate of 7 cm/s. at what rate is the area of the square increasing when the area of the square is 81 cm2?

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Ineed to know the answer to this algebra question.

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28