A building 64 ft high casts a 288-ft shadow. Sarah casts an 18-ft shadow. The triangle formed by the building and its shadow is similar to the triangle formed by Sarah and her shadow. How tall is Sarah?

A. 5 ft

B. 3 ft

C. 6 ft

D. 4 ft

Enter the degree of the polynomial 5x5 + 8x2 + 2x - 3x9 - 8x4 - 4x5

Hong built a large wooden storage box. The box was in the shape of a rectangular prism, as shown below. He covered all the sides of the box with special wallpaper that cost a total of $504. How much did the wallpaper cost per square foot?

Solve the system of equations by using the substitution method. 3x-5y=14 y=x-4

The different of 10 and u

A recipe calls for 2.5 cups of sugar. you have already put in 0.75 cups. how many more cups of sugar does the recipe call for

What is the product of 38x$12

Which of these is the statement of the zero product rule? A. If a • b = 0, then either a = 0 or b = 0, but not both. B. If a • b = 0, then a = 0 and b = 0. C. If a • b = 0, then a = 0. D. If a • b = 0, then either a = 0 or b = 0, or both.

What is the area of a circle with a diameter of 14 meters? Use 22/7for pi.

A phone company surveys a sample of current customers to determine if they use their phones most often to text or use the Internet. They sort the data by payment plans, as shown below.

Decrease £1280 by 60%