A. X=y(z+rw) {Ans: (x/y)-z=rw Solve for x in the equation above. A. X=y(z+rw) B. X=rw(y-z) C. X=rwy+z D. X=rwy-z}C. t {Ans: Which of the following is the independent variable in the equation below? f(t)=4t+9 A. f B. 9 C. t D. 4}D. 36 {Ans: A gumball machine contains red, orange, yellow, green, and blue gumballs. Twenty percent of the gumballs are red, 30% are orange, 5% are yellow, 10% are green, and the rest are blue. If there are a total of 120 gumballs, how many more blue gumballs are there than yellow gumballs? A. 48 B. 30 C. 42 D. 36}C. Dependent {Ans: In a study of the average weight of babies at different time intervals after birth, the babies' measured weight is which of the following variables? A. Independent B. Control C. Dependent D. Constant}A. 525% {Ans: Which of the following percentages is equivalent to 5 ¼ ? A. 525% B. 514% C. 5.25% D. 5.14%}C. 1.2 hours {Ans: A homeowner has hired two people to mow his lawn. If person A is able to mow the lawn in 2 hr by herself and person B is able to mow in lawn