Insert one set of parentheses to make the equation true:

2n - 3 + 4n + 6n + 1 = 30n + 1

Solve the system of equations given below. y-15=3x -2+5y=3x

Aldo will rent a car for the weekend. He can choose one of two plans. The first plan has no initial fee and costs $0.70 per mile driven. The second plan has an initial fee of $65 and costs an additional $0.60 per mile driven.

A hybrid car averages 600 miles on a 12.6 gallon tank of gas.

To make bread dough, a baker mixes flour, eggs, yeast and salt by weight in pounds in the ratio of 11:9:3:2, respectively. how many pounds of yeast are required to make 20 pounds of bread dough?

Hera are 4 fractions labelled A, B, C and D 3/4 5/6 16/25 9/15 A B C D Write them in order starting from the smallest

Sharon has some one dollar bills and som five dollar bills. She has 14 bills. The value of the bills are $30. Solve a system of equations using elimination to find how many of each kind of bill she has

What are the x and y-intercepts of the line described by this equation? - 6x+3y=18.9?

How to convert a standard number to scientific notation?

What is 4y+3x-10y+7x

there are 9000 four digit numbers. 4536 of the four digit numbers have no repeating digits. How many four digit numbers have at least one repeating digit?