Is Y=7.5x proportional or non proportional

Simplify the expression2b-6+3n-2

Simplify the imaginary number √-17

You need 10% alcohol solution. On hand, you have a 390mL of a 5% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain the desired solution

Consider the function represented by 9x+3y = 12 with x as the independent variable. How can this function be written using function notation? f (y) = - 1/3y+4/3 f (x) = - 3x+4 f (x) = - 1/3x + 4/3 f (y) = - 3y+4

What is the center of a circle with diameter AB where A (5,4) and B (-1, - 4) ? * A (5, 4) B (3, 4) C (-2, 0) D (2, 0)

he regular price of a smart phone is represented by x. When an upgraded phone is released, the new price is 25% more than the older model. The upgraded phone's price can be represented by which expression?

How to turn a fraction into an improper fraction when the whole number is negative?

What is 32/95 in simplest form?

What is 5√28 + √63 in simplest radical form?

What is the line of semmetry for the parabola whose equation is y = x^2 + 10x=25