A collection of 54 coins is worth $3.90. The collection contains only nickles and dimes Let n represent the number of nickles and let d represent the number of dimes.

How many of each type of coin are in the collection

a school's playground, measuring 33 metres, 43 metres, 50 metres, and 25 metres, is enclosed by a chain link fence. how many metres of fencing is used?

What is the ratio of x to y? 4x = 5y 1/5 4/5 5/4 1/4

What is the mode of this data? 1.7 8.9 3 5.9 3.2 4.1 6.6 0.7

Which ordered triple is a solution of this system? 2x + y - z = 7 -x - 2y + 4z = - 15 x + 2y - 5z = 17 a) (3, 1, 0) b) (1, 3, - 2) c) (2, 5, 2) d) (-2, 6, - 5)

Carlos opened an account with 8400 at the end of year it had decreased by 6.5 percent. How is this decrease in dollars

What statements are correct? Check all that apply. The conditional probability formula is P (x l n m PO) The conditional probabilities P (D I N) and PON I D) are equal for any events D and N The notation PR probability of event R, given that event S

Stuart paid $48.00 for a new tennis racket, which was 64% of the original price. how much was the original price of the racket?

If one-third of a number is added to three-fourths of that same number, the sum is 26. Find the number. Select one: a. 12 b. 4 c. 8 d. 24

O u Didier What is the approximate area of the circle? Use 3.14 for it and round the answer to the nearest tenth. 17.3 in 2 34.5 in? 95.0 in2 379.9 in2

A verbal phrase for 6n-4 is