F (x) = -3x+21, find x when f (x) = 6

A sports tournament has d teams. Each team has 16 players. Using, write an expression for total number of players in the tournament?

Grandpa ernie is shrinking! Over the past 4 years, his hight decressed by a total of 2.4cm. It decresed by the same amount each year. What was the change in grandpa ernies hight eac year?

Joan actually likes 30% of her male friends and 20% of her female friends. She has a total of 200 friends, 45% of them are male. How many female friends does Joan actually like?

Can a number be both rational and irrational

3/10 to a percentage

Solve this inequality:-9x-6≥-3 (x-4)

Solve for x. x + 29 = - 11 Enter your answer in the box

A student claims that a rotation of 180° about the center of a regular polygon carries the polygon onto itself. Which statement best describes the student's claim? A The student's claim is true for all regular polygons.

A quadratic equation with a negative discriminant has a graph that a. touches the x-axis but does not cross it. b. opens downward and crosses the x-axis twice. c. crosses the x-axis twice. d. never crosses the x-axis.

Which expression is equivalent to - 2.73?