John has 3 times as many quarters as dimes. he has the same amount of pennies as dimes. the value of the coins add up to $21.50. how many of each type of coins does he have

A number greater than 2019 is the sum of at least ___ 2 digits number

Is 3 (x+1) - (1 + x and 2x + 3 equivalent?

In a class 27 of students, 6 have a cat and 18 have a dog. There are 2 students who have a cat and a dog. What is the probability that a student chosen randomly from the class has a cat and a dog?

Amhed pays $2.10 for 5 1/4 pounds of bananas. Janel pays $3.25 for 6 1/2 pounds of bananas. Which is the better buy? Explain why.

S/5+125=2225 What is s

Laura rents a movie for a flat fee of $2.00 plus an additional $0.50 for each night she keeps the movie. Choose the cost function that represents this scenario if x equals the number of nights Laura has the movie. a. c (x) = 2.00x + 0.50 b.

AB=4-5x BC=2x+25 find AC

If X and Y are random variables, the sum of all the conditional probabilities of X given a specific value of Y will always be: -0.0-1.0-the average of the possible values of X.-the average of the possible values of Y.

The price of a car has been reduced from $12,500 to $7,750. What is the percentage decrease of the price of the car?

F (*) = -4 (*+2) 2 + 10 in the form f (*) = ax2 + bx+c