In a math class of 40 students, there are 21 female students. Which of the following does not represent a ratio of the number of girls in the classroom to the total number of students?

A. 19/40

B. 0.53

C. 21/40

D. 53%

Ammon and nakia volunteer at an animal shelter. Nakia worked three hours more than Ammon. They each worked a whole number of hours. Together they worked more than 27 hours. What is the least number of hours they worked

Solve the system of equations. - 5x+6y=40; 3y-8x=-46

A peregrine falcon can fly 322 km/h how many meters per hour can the falcon fly?

What is the answer to 2 (12-18x) = x-11x

2. What is the probability of rolling a sum greater than 7 with two dice if the first die rolled is a 3?

1. Does the table below show a proportional relationship? If so, what is the constant of proportionality? x y 1 6 2 7 3 8 5 10

Peter has decided to save $30 each week to buy a new stereo system. Write a direct variation equation for the amount of money, m, that Peter has saved in, w, weeks.

Solve the equation |k+6| = 3

What is 3,817,453 to the nearest hundred

Let R=qs4, when s=8, R=16. When s=10, R is equal to