What is another name for mathematical rules

Gretchen worked in the ticket booth for 20 minutes. Kevin worked in the ticket booth 5 times longer than Gretchen.

At the bookstore checkout, you watch as the register rings up your purchases and coupons. The prices were as follows: $1.85 $8.56 $6.30 $2.73 $5.25 $4.09 $7.95 - $0.85 (coupon) - $2.10 (coupon) The register gives your total bill as $41.44.

Which values from the given replacement set make up the solution set of the inequality 5n>26; {3,4,5,6} a - {3.4} b - {5} c - {6} d - {5,6}

The area of a sector of a circle with a radius of 4 centimeters is 2.512 square centimeters. The estimated value of π is 3.14. The measure of the angle defining the sector is what in degrees

What percentage is equivalent to 3/20

Simplify 3+7x - (2+9x)

Which relation is a function? A.{ (-4,3), (-2,3), (-1,2), (2,5), (3,2) } B. { (-4,1), (-2,3), (-2,1), (-1,5), (3,2) } C. { (-4,1), (-2,3), (-1,2), (3,5), (3,2) } D. { (-4,1), (-2,3), (-1,1), (-1,5), (3,2) }

Translate the following statement into a mathematical equation: The product of four and a number, plus six, is eighteen. 4 (n + 6) = 18 4n + 6 = 18 6n + 4 = 18 4 + n + 6 = 18

Minimum and maximum value of 2n^2+5n-25=0

Solve for n. 0.3 (5-n) = 0.4 - 0.2 (n-7)