An mp3 player is on sale for 30% off the regular price of $39.98. How much is the discount?

a. $11.99

b. $13.19

0 $13,33

d. $27.99

Com o auxílio de uma calculadora, a porcentagem total se aplicados os aumentos sucessivos de 5% e 6% é de: * a) 11,3% b) 0,113% c) 0,134 d) 13,4% e) 9%

Valerie roller-skated 4 miles at an average speed of 8 mph. She started her skate at 4:15 p. m. Which explanation correctly tells how to calculate what time it was when Valerie finished her skate? A. Step 1 Divide: 8 : 4.

Four students were asked to write an expression which has terms that have a greatest common factor of 8c. The expressions provided by the students are shown below.

What is the difference between the greatest and least possible areas of the rectangle

There were 12 goals scored during the game. Miguel's team scored 7/12 of the goals. Vivian's team scored two goals during the first half of the game.

Sheila buys some boxes of pens, with 20 pens in each box. Which expression represents the total number of pens Sheila bought? 20 : p 20 + p 20p 20-p

What is the solution of the equation 8 (3x + 4) = 2 (12x - 8) ?

What's 723 divided bye 31

Find the area of a triangle with sides a=5, b=8, c=11

There were 60 seventh grade students who signed up for soccer tryouts last year. This year, 48 seventh graders signed up for tryouts. What is the percent decrease in the number of students from last year to this year?