A gumball machine has 420 red gumballs. If the red gumballs are 75% of the total number of gumballs, how many gumballs are in the gumball machine?

Choose all the sets containing the number 1 natural numbers a whole numbers integers rational numbers irrational numbers real numbers O

Mary bought 5 2/5 yards of string. She gave her friend 2/3 of the string. How many yards of string did she give to her friend? How many yards of string were left?

The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard deviation of 0.25 hours. A sample size of n = 60 is drawn randomly from the population.

The diameter of a circle is 16cm By what amount must the radius be decreased in order to decrease the area by 48pi square centimeters.

All rational numbers are whole numbers

Which of the functions have a range of all real numbers

Solve the inequality. |6p + 3| > 15

4.9t^2-2.78t-1.15=0 what is the value of T

Alexa is comparing the cost of lobster at two different restaurants. One restaurant called 'Lobster Foods' charges $18 for the lobster meal, plus $7 per kilogram of her choice of lobster.

Bob has 26 candy bars he eats 20 what does he have now?