How to calculate the are of a pentagon?

Is (6, 3) a solution to this system of equations? 16x + 19y = 17 20x + y = 1?

The next three terms of the sequence 20, 40, 80, 160, ... are 320, 640, and 1280.

How do you do a 3 by 2 digit area model

The music teacher would like to have the same number of girls and of boys in the chorus. She finds that 5 8 of the chorus are girls but that if she can get 10 more boys, the chorus will have the same number of boys as of girls.

Which of the following is a factor of f (x) = 5x3 + 24x2 - 75x + 14? A. (x + 1 over 2) B. (x - 1 over 2) C. (x + 2) D. (x - 2)

10+8=2y what is the value of y

Y is 10 2y+x=4. Solve the system of equations using the substitution method

How to find the area of a rectangle if you only have the perimeter?

How do u write 5 times the difference between 25 and 10 in numerical expression

A 150 km trip was covered by a motorcycle going at an average speed of 75 km/h, by a bus doing 60 km/h, by a truck doing 50 km/h, and by a bicycle doing 20 km/h. What is the constant of variation?