What is the value of a if (2a + 3) - (4a-8) = 7

What is the solution of log2x - 3^125 = 3?

Hye Sun has a modern coffee table whose top is a triangle with the following side lengths: 8 feet, 3 feet, and 5 feet. Is Hye Sun's coffee table top a right triangle?

Suppose a triangle has sides a, b, and c, and the angle opposite the side of length a is acute. What must be true? A. b^2 + c^2 < a^2 B. a^2 + b^2 = c^2 C. a^2 + b^2 > c^2 D. b^2 + c^2 > a^2

Multiple choice strategy: some students have suggested that if you have to guess on a multiple-choice question, you should always choose c. carl, the student, wants to investigate this theory.

What is half of 27 because i dont know how to do this

1/3 (30x-12) = 36 step by step to get x

What is 865 divided by 40

What are the roots of the equation x 2-10x+21=0

What is the slope of the line with equation 3x - 2y = 12

Qual o valor de 3/15 de 600