There is a proportional relationship between the volume of a sample of helium in liters and the mass of that sample in grams if the mass of a sample is 5 grams it's volume is 28 liters (5,28) is shown on the graph below What is the constant of proportionality in this relationship

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18