25 points
if cot x° = three fourths, what is the value of b?
triangle lmn in which angle m measures 90 degrees, angle l measures x degrees, lm measures 10.5 units, and nm measures 2b units
b = 4
b = 5
b = 6
b = 7

Asphere has a diameter of 10 in. what is the volume of the sphere?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.