Solve system of equations for y=3x-7 and 3x-y=7

Out of 268 books in a bookcase, 178 are nonfictional

Write a division problem with as the dividend and 3 as the divisor. Then, find the quotient.

Three is two less than the product of a number and five

What six over eight in simplest form

Determine the total number of roots of each polynomial function. f (x) = 3x^4 + 1) ^2

Simplify 2x - (3•0.6x+2.7)

One can convert temperature from Fahrenheit into Newton using the formula N=11/60 (F-32). What is the temperature in Fahrenheit corresponding to N degrees Newton?

Write an equation with the solution x=20?

A sequence has a first term of 2 and a constant ratio of - 3/2 what are the first five terms of the sequence

A three-dice is a six sided dice with only the numbers 1, 2 and 3. The usual numbers 4, 5 and 6 are replaced by 1, 2 and 3 respectively. 4 three-dice (with sides labeled 1, 2, and 3) are rolled and the numbers face up on the 4 dice are recorded.