Explain why x2+81=0 does not have a solution

Which expression finds the measure of an angle that is coterminal with a 45° angle?

A cylinder and a cone have the same base and height. The cylinder can hold about 4,712 cm3 of sand. Jared says that the cone can hold about 1,178 cm3 of sand. Which explains where Jared is correct

What is negative 7 minus negative 4

An uncooked gingerbread cookie is y centimeters long. After it is baked, the length of the cookie increases by 25%. Which expression best represents the new length of the cookie? A. 0.25y B. 0.75y C. 1.25y D. 12.5y

2-3/4x=1/8x+9 with the work shown

An acute angle θ is in a right triangle with sin θ = two thirds. What is the value of cot θ?

Jack read 1/6 of a book on Monday and another 1/3 of it on Tuesday. He took another 4 days to finish reading the book. He read the same number of pages on each of the 4 days.

How many solutions does 25-4x=15-3x+10-x have

A certain measurement must be between 3.64 and 4.28 centimeters. Which number is greater than 3.64 and less than 4.28?

Using the exponential regression model, which is the best prediction of the wavelength of the key that is 8 above the A above middle C? 49.31 cm 49.44 cm 49.73 cm 49.78 cm