What is the value of the expression 2x2+3xy-4y2when x=2 and y=4

Is your mom 2 people diveded by two equals dad

Which is the Best Buy? 6 shirts for $25.50,4 shirts for $18.00,5 for $21.00

At 3 p. m the temperature was 9°f by 11 pm it had dropped 31°f what was the temperature at 11 pm

What's a sinusoidal function

Is eight a multiple of 8

Are the irrational numbers closed under multiplication?

You are spending $144 for new sweaters, T-shirts, and pants. Sweaters (s) cost $28, T-shirts (t) cost $14, and pants (p) cost $23, each. Which equation represents this situation? A. 28s + 14t + 23p = 144 B. 14s + 28t + 23p = 144 C.

What does 28 tens equal to

If the width is 3 less than the length of a rectangle, and it's perimeter is 98 inches, what are the dimensions of the rectangle?

What is 92 percent as a decimal and fraction, 21 percent as a decimal or fraction, 38 percent as a decimal or fraction, and 5 percent as a decimal or fraction?