What is the total surface area of this square pyramid? A square pyramid has a square base has side lengths of 9 millimeters and triangular sides have a height of 12 millimeters.? mm^2

A) 189

B) 216

C) 297

D) 378

solve the system of linear equations x + y = 4 and 2x + 3y = 0

Whats the GCF of 32 and 48

1 b. What is 56.7% of 150?

12 less triple the difference of x and 10 is 24. Find the value of x.

Justin has 20 pencils, 25 erasers, and 40 paper clips. He organizes them into groups with the same number of items in each group. How many items can he put in each group?

The average amount of of time Brian spent in line skating for one week was thirty minutes. During the next week, the difference between the average and actual time spent skating was 4.2 minutes, - 4 1/3 minutes, - 4 1/2 minutes, and 4.75 minutes.

A triangle has a side length of 3/4 inch and a side length of 3 inches. What could be the length, in inches, of the third side?

State whether the relationship between x and y in y=4x-5 is proportional or nonproportional

A 35-year-old G3P3 woman requests contraception. Her youngest child is seven years old. Her periods have been regular since she discontinued breastfeeding five years ago.

A class quiz has 5 multiple-choice questions and each question has 4 possible answers (A, B, C, or D) Which spinner would best simulate this scenario?