Combining like terms - 3 (5x+4) - (2x+2) - 3x+6

Tell wether the ordered pair (5,-3) is a solution of the system - 3x+2y=-21; -x-y=-2

A wheel on Johns bicycle is 0.3m in diameter. John races the bicycle for 36m. How many times does the wheel turn as the bicycle travel this distance? Use the value 3.14 for pi

2 (t+1) = 102 (t+1) = 10 t=?

A serial killer is stalking the residents of Gloomy Falls, Mass. Where the population is 937. Every year the population decreases by 4.5%. How many residents will be left after the killer's three-year rampage? How would you stop him?

Which set of three angles could represent the interior angles of a triangle? 49 degrees, 59 degrees, 72 degrees 34 degrees, 45 degrees, 11 degrees 24 degrees, 51 degrees, 15 degrees 45 degrees, 70 degrees, 85 degrees

The sum of the digits of a two digit number is 6 when the numbers are reversed the number decreases by 18

Central Middle School sold 50 tickets for one night of the school play. Student tickets sold for $2 each and adult tickets sold for$3 each. They took in $135. How many of each type of ticket did they sell?

I have done a math equation for school and i forgot if i could leave a inproper fraction as my answer or if its a fraction i can reduce should i or should i not

Enter the value of n so that the expression (-y + 5) + (7y - 9) is equivalent to (ny - 4)

The heavyweight weight class in high school wrestling is from no less than 195lb and a maximum 285 LB write two inequalities to represent this range