A survey showed that 75% of middle school students have at least one sibling. If Mrs. McCall has a total of 72 students, how many would you expect to have at least one sibling?

mary charges a flat fee of $5.00 and $2.50 for every 1/4 hour she works what is the hours she worked if she earned 35 dollars

24. A bag contains 6 red marbles, 5 yellow marbles, and 7 green marbles. How many additional red marbles must be added to the 18 marbles already in the bag so that the probability of randomly drawing a red marble is ? F. 12 G. 16 A. 18 J. 24 K. 36

A Ferris wheel has a diameter of 95 feet. How far will someone travel if they ride two full rotations on the wheel?

What is the square root of 546

What is the reciprocal of 6 and 1/4?

Is 11.6 is irrational.

2/7 of the pupils in Year 9 say their favourite colour is red. There are 119 pupils in Year 9. How many students said red is their favourite colour?

A satellite orbits Mars. When it reaches S, it is about 12,000 km above the planet. How many arc degrees of the planet are visible to a camera in the satellite?

Jordan wants to estimate the number of students in his school who have their own cell phone. He surveys every eighth person who enters the cafeteria for lunch is this sample biased or unbiased explain

A loan company charged 35% interest on every dollar borrowed. If a person borrowed 177 dollars, how much would they pay in interest?