Determine which equations below, together with the equation x-y=2, will form a system with no solutions.

A. y=5

B. x-y=4

C. x+y=2

D. y+x=2

Laura received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.63 per pound. After buying the coffee, she had $55.48 left on her card. How many pounds of coffee did she buy?

The auditorium at the school for the arts has 7 rows of seats, and each row has 102 seats in it. use the distributive property to find the number of seats in the auditorium

You read in the paper that the 24-month forward is actually $0.0088/U. Explain in detail how to exploit the mispricing using only the following instruments: buying or selling US or Japanese 2-year zero-coupon bonds, and buying or selling the yen

Is 0.3 equal to 1/3, or 3/10?

What is the sum of the geometric series 20 + 21 + 22 + 23 + 24 + ... + 29? 1,023 511 2,407 1,012 NextReset

Given the following scenario, decide if it is a permutation or combination, and then calculate the possibilities. Papa John's pizza has 17 different toppings to choose from. In how many ways can you make a three topping pizza?

A rectangle is 1 unit long. The rectangle is also 2 units wide. what is its perimeter?

10, 18, 4, 15,3,21, x if x is the median of the 7 numbers listed above which of the following could be the value of x?

Find the odds for and the odds against the event rolling a fair die and getting a 4 comma a 5 comma or a 2. a. The odds for the event are nothing to nothing.

Two trains leave at the same station at the same time but are heading in the opposite direction one travels at 70 m. p. h. and the other train travels at 80 m. p. h. how much time passes until they are 600 miles a part.