6 times a number plus 3 times a second number is 27. the second number is 1 more than 2 times the first number what is the second number

The gas tank on a car holds 9.1 gallons. If the car goes 182 miles on a single tank, how many miles per gallon does the car get?

A circles circumference is 176 what is the area, diameter and radius

Which expression has the same value as 537x9?

There are 5 students in a small class. To make a team, the names of the 3 of them will be drawn from a hat. How many different teams of 3 students are possible?

7,8,9,20,17,18,15,17,17,12

What is the scale factor of a cube with a volume of 512m^3 to a cube with a volume of 3,375m^3 A. 8:15 B. 64:225 C. 15:8 D. 225:64

The volume of 10,000 drops of a liquid is 10 fluid ounces. What is the volume of 10 drops?

Write 5 numbers that are at least 8 digits in standard form

Solve the following equation: - 3x + 20 = 9x - 2x

If you add a constraint to an optimization model, and the previously optimal solution satisfies the new constraint, will this solution still be optimal with the new constraint added?