Ralf spends 15 1/3 hours per month playing tennis. How many hours does he play tennis in a year?

What percentage of the integers from 1 to 50, inclusive have a units digit that is three times the tens digit

Peggy was taking a timed 90-question test. She was able to correctly answer 80% of the questions but had to skip the rest. How many questions did Peggy answer correctly?

What is the measurement of the unknown fifth interior angle of this pentagon? A) 108° B) 114° C) 124° D) 129°

What conclusion can be derived by comparing the central tendencies of the two data sets? A:{7, 6.3, 1.6,2,4,6,3,5} B: {2, 2, 2, 3, 4, 5, 2, 8, 7, 6}

Bik was working on memorizing her multiplication facts. she noticed that anytime she multiplied a number by 1, she got the same number she started with. what property allows this to be true?

Convert 3/4 into a quotient and percentage

Simplify the expression 3 (-3y+2x) combine like terms a+3a-b+4b+c

If a figure has 5 sides 5 vertices and no equal sides what is it? it is a polygon BTW

If I rent a boat for $25 per hour and a charge additionally $12 for fuel is the number of hours I rent the boat proportional to the total cost

90,88,88,87,84,95,90,80,98, and 100 (A) find the mean of these numbers (B) find the median of these numbers