Rectangle a has area 40 cm square and length 8 cm. the area of rectangle b is one half the area of rectangle
a. the rectangles have the same length. what is the width of rectangle b ?

Yuto solved the equation below. what is the solution to yuto’s equation?

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = -3(x-2)(x-4)

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?