Solve the system using substitution.

x+y=8

y=3x

A. (4,12)

B. (2,6)

C. (1/2,3/2)

D. (-4,-12)

How do you write a rational number as a terminating decimal

Form a differentia equation from this Y=e^x (A cos 3x + B sin 3x)

Korey is planning to open a comic book store. He has developed the following expense breakdown for set-up and operation for the first year. Korey has $8,500 in savings and $25,000 in inheritance money to use to open his store.

If it is 5:00 pm in Bloomington, OH, what time is it in St. Louis, MO? 3:00 pm 4:00 pm 6:00 pm 7:00 pm

Does this system of equations have one solution, no solutions, or an infinite number of solutions? 2x + y = 5 2y + 4x = 10

What two numbers multiply to equal 22,440,000

Every year, Calaveras County holds a frog jumping contest. Mia entered her frog into the 100-yard contest and it completed the race in 2 minutes 33 seconds.

3 (3w-4) = - 20 Solve

The temperature, t, in Burrtown starts at 21°F at midnight, when h = 0. For the next few hours, the temperature drops 2 degrees every hour. Which equation represents the temperature, t, at hour h? A. t = 21h + 4 B. t = 4h + 21 C. t = - 4h + 21 D.

Ronnie misses the school bus 1 out of every 30 school days. He sets up the proportion 1/30=180/x to predict how many days he will miss the bus in the 180-day school year. What is Ronnie's error?