Compute the value of the discriminant and give the number of real solutions of the quadratic equation. - 2x^2+8x-1=0

What is the square root of 64? A. 32 B. 8 C. 4 D. 16

The outside temperature over the course of a day can be modeled as a sinusoidal function. Suppose you know the temperature is 68°F at midnight and the high and low temperatures during the day are 80°F and 56°F, respectively.

A large ice floe is floating at a speed of 3 kilometers per hour. A polar bear leaves the floe and swims in the opposite direction at 9 kilometers per hour.

If fx = 2x^2 + 3 and g (x) = x^2 - 7 find (f - g) (x)

Find the mode of the set of data 59,61,54,51,38 46,56,52,63,40,44

A 9-cm chord is 11 cm from the center of a circle. What is the radius of the circle? C. 13.0 cm B. 11.9 cm A. 9.0 cm D. 14.2 cm

What is the percent of change from 180 to 387

A value one standard deviation from the mean is less likely to occur than a value three standard deviations from the mean. True or False?

Eight times what equals 565

A rectangular window is 4 ft long and 3 ft wide. Jane would like to buy a screen for the window. The cost of the screen is based on the number of square inches the screen is. Use the facts to find the area of the window in square inches.