Which is a unit rate? A. 30 pounds per 4 months

B. 5 feet in 1 second

C. 45 people for 2 cars

D. 180 students to 5 teachers

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: