Which of the following has a constant of proportionality of 2?

y = 2x

y = x + 2

2y = x

y + 2 = 2x

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true? 1) If b is negative, the parabola opens downward 2) If a is negative, the parabola opens upward 3) If a is positive, the parabola open upward 4) If c is

Frank deposited $100 into an account that earns 4% interest which is compounded 4 times per year how much will frank have in his account in 3 years

Betty is allergic to milk products. She discovers that 40% of the food items available in the school cafeteria contain milk products.

Which number is a prime factor of 210 A. 2 to the 6th power B. 6 to the 2nd power or 6 squared C. 12 to the 6th power. Exponents and Prime factorizations!

Can 10/12 be simplified

3x + 2y = 8 x + 2y = 4

A firework is fired vertically into the air at a speed of 100 m/s. The expression - 5t2 + 100t + 40 gives the height of the firework after t seconds. Factor this expression.

Six friends play golf. Their scores are 87,95, 92, 88, 91, and 96. What is the mean, median, and mode of the friends' scores?

X to the 2nd + 8x + 12 equals 0

4x^2-35x+49=0 solve by factoring