Which of the following statements are true?

All square matrices are diagonal matrices.

All diagonal matrices are square matrices.

The size of any square matrix is m x m, where m is a positive integer.

All coefficient matrices are square matrices.

A water sprinkler sprays water over a distance of 25 feet and rotates through an angle of 130 degrees. find the area of the lawn sprinkled

Which numbers are solutions to the inequality -3x-3 less than or equal to 6. Check all of the boxes that apply. -5 -4 0 2 4

A painter works 37.5 hours one week. if she worked 5 days how many hours did she work on average per day?

Matt brought $40.50 to the art supply store. He bought a brush, a sketchbook, and paint set. The brush was 1/6 as much as the sketchbook, and the sketchbook cost 3/4 the cost of the paint set. Matt had $3.00 left over after buying these items.

Solve this system of equations by using the elimination method. x + y = 15 5x - y = 9

A 24-ounce box of cornflakes cost $4.59. What is the unit rate

Two coins are tossed simultaneously. Find the probability of getting (i) two heads (ii) at least one head

Simplify the expression. (1.08*10-3) * (9.3*10-3) : 0.1 enter your answer in scientific notation in the box.

The petimiterof a rectangle is 110cm. the length is 1cm more than twice the width. write two equations that would be used to solve the system

The area of a classroom for student is 24 sq. unit. If an area of 1/6 by 1/4 is reserved for one student, how much of the total area is reserved?