Mrs. quan wants to make a quilt that is 12 squares long and 9 squares wide. how many squares will be in her quilt?

a.
21 squares

b.
42 squares

c.
108 squares

d.
144 squares

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x

If (x) = 3х - 2 and g(x) = 2х+ 1, find (f- g)(x). оа. х- з ов. 3-х ос. 5x - 1 od. 5x - з

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?