Solve the system of equation by graphing

-3x-2y=6

3x-y=12

5[3 (x+4) - 2 (1-x) ]-x-15=14x+45

Cai collected 2 1/2 times as munch as Mark. Mark collected 2/3 as much as Jen. Who collected the most? Who collected the least? Explain

What is the answer to 345 ft./m

Which expression is represented by the diagram? 10 negative tiles. 4 are crossed out. Negative 6 minus (negative 4) Negative 6 minus 4 Negative 10 minus 4 Negative 10 minus (negative 4)

Susan's investment portfolio currently contains three stocks that have a total value equal to $100,000. The beta of this portfolio is 1.5. Susan is considering investing an additional $50,000 in a stock that has a beta equal to 3.

Lisa bought five CDs from the store. The price of each CD was the same. After she bought the CDs, her account balance showed a change of - $64.95. What would have been the change to Lisa's account balance had she only bought one CD from the store?

how do i add this 9 7/8 + 6 5/8 + 3 3/8

The displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation d = 0.6 sin (3520rt). What is the frequency of the tuning fork? A, 1/3520 Hz B. 1/1760 Hz C. 1760 Hz D. 3520 Hz

4x-10y=-16 and - 7x+20y=23 elimination

At the beginning of the year 2002, Sarah put $250 in a savings account. The bank agrees to pay Sarah 3% interest on her total savings at the end of each year including the interest added to the account.