If f (x) = x^2-15 and f (a) = 49, what is the value of a? Explain.

Two equivalent fractions for 4 / 7

431, 154, 254,244,276,263,389,253,274,205 What is the median of the set of data?

The square of any complex number is

a triangle has one angle that measures 5 degrees more than twice the smallest angle, and the largest angle measures 11 degrees less than 3 times the measure of the smallest angle. find the measurements of the 3 angles

The product of the number of employees and the average salary

What is the domain and range of y = - 2x + 1?

Convert the angle 180° to radians express your answer exactly

Write word phrase to represent the numerical expression below. 4 + (27-10)

Find the value of y when x=2 - x - (-2) = y

In a group of 21 students, 8 students take Art courses, 7 students take Music courses. Two students take both courses. A student is chosen randomly from this group. What is the probability that the student takes either Art or Music courses? 57