If x + 3y = 13 and x + y = 5, the value of y is which of the following?

A. 7

B. 4.5

C. 1

D. 4

what unfortunate mistake did the champion ice-skater make with his gold medal

Verbal expression for the algebraic expression: 12x

Six less than twice a number is - 22

A human factors expert recommends that there be at least 9 square feet of floor space in a college classroom for every student in the class. Find the minimum floor space that 96 students require.

Find g (x) - f (x) if f (x) = -3+4 and g (x) = 5x-12

Justify the in the solution of 5X + 15 = 0 below by stating a property for providing explanation for each step

What is 0.793 rounded to the nearest hundredths

1) A regular hexagon is mapped onto itself every time it is rotated

Equation of line passing through (4, 12 and (4,-8)

Hey factory could produce 84 toy robots in one day. The purchasing equipment. Now they can produce 105 robots in one day. What is the percent increase?