8x^2+18x-5=0 find the discriminant

If cos (t) = - 9/11 where pi cos (2t) = sin (2t) = cos (t/2) = sin (t/2) =

Write an equivalent ratio for 3:5

A restaurant offers a $12 dinner special that has 4 choices for an appetizer, 13 choices for an entrée, and 3 choices for a dessert. How many different meals are available when you select an appetizer, an entrée, and a dessert?

using your knowledge of cross products how would you solve for x in the following pair of equivalent fractions 7 over x equals 2/4

The distance (in miles) traveled by a cyclist is given by d (t) = 5t, where t is the time in seconds. The domain of the function includes a - all real numbers that are perfect squares b - all positive real numbers and zero c - all real numbers other

Thomas loves tomatoes. He plans to fill the container shown below with soil to grow his own tomato plants. The dimensions of the container are shown in inches. How much soils will the container hold?

4) The width of a rectangle is 8 inches. The length is 4 times its width What is the area of the rectangle? A) 35 in 306 1/4 ft. A) 43 3/4 ft. C) 280 fta D)

Split 52 into the ratio 5:8

Members of a polling organization survey 700 of the 7,453 registered voters in a town by randomly choosing names from a list of all registered voters. Is there sample likely to be representative?

At 93 °F, a certain insect chirps at a rate of 89 times per minute, and at 101 °F, they chirp 113 times per minute. Write an equation in slope intercept form that represents the situation. What is an equation that represents this situation?