What is the value of a in the equation 3a + b = 54, when b = 9? 15 18 21 27

2: A box contains 4 red jellies, 6 blue jellies and 5 yellow jellies. What is the probability that a jelly chosen randomly from the box is not red? Leave answer as a fraction.

Each morning Henry takes the subway from Town Center to Maple Station. As the map shows below Maple Station is 3 miles west and 5 miles north of Town Center.

Are there always the same number of prime numbers between 2 consecutive multiples of 10? Why?

Which is the largest? 76%,4/5,.77

Which of the following items would not be used for geometric probability? a. area of a rug c. length of time b. number of trees d. length of a field

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 148 ft, and ball 2 is dropped from a height of 203 feet.

If 4+6+7=242854 6+6+7=364217 6+7+8=424828then 7+5+8=?

the numbers 30 to 74 are in a hat. If the probability of drawing a multiple of 2 is 23/45. What is the probability of not drawing a multiple of two?

What is the value of p? p+1/5-1/2=1/10

An orchestra of 120 players takes 40 minutes to preform a symphony. How long will it take for 60 players to preform the symphony