Which trigonometric functions do not have real zeros?

sine, cosine, tangent, cosecant, secant, or cotangent.

Eudora ran from her home to her secret laboratory at an average speed of 12 km/h. Then she then took one of her jetpacks and flew to her school at an average speed of 76 km/h.

Find an equation for the line perpendicular to = -3/2x+5 with y-intercept (0, - 15).

Completely Factoring 3x2 - 10x - 8

David lives in Manhattan, where the combined state/local sales tax is 8.375 percent. David just purchased a digital camera that was priced at $800. Determine the sales tax he paid by calculating 8.375 percent of $800 (multiply by 0.08375).

If two fair dice are rolled, what is the probability that the total showing is either even or less than nine? A. 2/6 B. 29/36 C. 3/4 D. 8/9

What is when 12+21 to the 8th power

Eight times the sum of a number and six

What is the period of y=sin (3x)

Factor completely. Special Cases. 4n2 + 28n + 49

Two integers a and b have different signs. The absolute value of integer a is divisible by the absolute value of integer b. Find two integers that fit this description.