Please help I’m failing

What is the negation of the following statement?
m∠A is greater than 90.

A: m∠A is not less than 90.

B: m∠A is less than or equal to 90.

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Construct the graph that models the given situation