Which is the directrix of a parabola with equation x^2=4y?

A. y=1

B. x=-1

C. y=-1

D. x=1

Which of the following tables represents a proportional relationship? A. x 8 16 24 32 y 24 48 72 96 B. x 8 9 10 11 y 24 48 72 96 C. x 32 33 34 35 y 96 72 48 24 D. x 32 36 40 44 y 96 112 128 144

If x=6 and the equation is z+3y=4x+y then what is y

Evaluate:3m - 2x for m = 5 and x = 4

A jar contains 8 nickles, 10 dimes, 6 quarters, and 22 pennies. A coin in chosen at random from the jar. What is the probability that the coin chosen is a dime? A. 1/23 B. C. 45 D. 2730

If c is a 5 x 1 matrix and dis a 3 x 5 matrix, what are the dimensions of dc

What is a ratio? I have been thinking about it and have not found an answer.

How can you use integers to represent da

Which of the following functions would not model exponential decay? August899 August899 10 months ago A. h (x) = 44 (0.89) ^2x B. j (x) = (0.34) ^x-3 C. b (x) = 876 (1) ^x D. z (x) = 7 (0.999) ^4x-2

A roller coaster with a mass of 1000 kg is shot to a speed of 30 m/s in 8 seconds. How much kinetic energy does this coaster have at the end of the 8 seconds? To receive full credit, show all of your work in the space below.

Junior has saved money in his piggybank over the winter. He wants to buy a $30 computer game. If he has 14 one-dollar bills, 16 half dollars, 12 quarters, 8 dimes, 25 nickels, and 10 pennies, how much more does he need to borrow from Dad to buy the