PLZ HELP 30 POINTS WILL MARK BRAINLIEST what is the difference between -1/2 - 3/7

What is the value of the expression?
(3 - 1/2) * 0.6 + 1.3

Find the sum.
2.76 + (-4.7)

What is the value of the expression?
2.1(3.26 + (-0.45))

Find the difference.
9/12 - (-3/4)

What is the value of the expression?
5/6 -(1/8 ÷ 3/4)

Simplify
1/2(5.7 + 2.4)

Solve.
Kyle ran 1 1/2 mi the first day of track practice. He ran 2 2/3 mi on the second day of track practice. How much farther did he run on the second day of practice than on the first day?

Solve
Driskill Mountain, Louisiana, has an elevation of 535 ft. In large portions of the city of New Orleans, the average elevation is -9 ft. What is the difference between these two elevations?

Rod earned $124.80 last week. He noticed three deductions from his paycheck. How much money did Rod have to use for the week?
Deduction Amount
Local Tax $1.62
State Tax $5.79
Social Security $7.73