3x + 2y = a 5x + y = b eliminating the variable y from the system of equations results in -7x =
a) a - 2b
b) 2b - a
c) a + 2b

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Graph the linear function using the slooe and y intercept

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left