Which Expression is Equivalent to - 2-7

1: 2 - 7

2: 2 + 7

3: - 2 - (-7)

4: - 2 + (-7)

How can i write a story problem that involves adding fractions with unlike denominators include the solution

Rick serves his community as a firefighter. he works for a full 24 hours and then is off forbthe next 48 hours before his next 24-hour shift. last month, he earned $3,740.88, before taxes, and worked eleven 24-hour shifts.

Which choice correctly describes this event? I will pull a blue marble at random out of a jar with 49 red marbles and 1 blue marble A) Certain B) Impossible Likely D) Unlikely

What is the 8s in the 8,800

Bob owes her brother $40. she pays him $25. write an integer to represent how much she owes him

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Terry deposit of $520 into your bank account that run simple interest each year after five years she had earned $156 in interest if no money was deposited into or withdrawn from the account what was the annual interest rate

Solve the system of equations by elimination. 2x-y+3z=-12x-y+3z=-1 x+2y-4z=-1x+2y-4z=-1 y-2z=0y-2z=0

Change 0.56 radians into degrees and minutes.

Evaluate 4P3 24 7 10 12