Adding negative numbers

Add.

-1 + (-5) =

Mark earns $135 for selling a $1500 refrigerator. Which sale listed has the same commission rate? $36 commission on a $400 dryer or B) $40 commission on a $500 dryer sale C) $210 commission on $1400 oven sale d) $30 commission on a $600 freezer sale?

64 is the sum of 18 and Jenny's score.

Which number is an integer? 0-3 0 2.3 O

Between 1970 and 2000, the population of a city decreased by approximately 2% each year. In 1970 there were 600,000 people. What was the population in 2000?

What value do the roman numerals CIX represent?

how many pairs of opposite sides are parallel in a trapezoid? how is this different from a parallelogram?

The total bill for drinks and pizza and drink is 14.90 before tax/the sales tax is 5 •/• what will be the amount of sales tax added to the bill.

A car moving at an initial velocity of 20 meters/second accelerates at the rate of 1.5 meters/second^2 for 4 seconds. What is the final velocity?

A car manufacturer sold about 332,000 cars last year. The number of cars sold this year is 125% of the cars sold last year. About how many cars were sold this year sold this

4.2 times 7.5 with explanation