Why is the opposite of a negative number a positive number?

Jim is asked to find the probability of rolling a 2 on a die and drawing a queen from a deck of cards, is this a compound event

what does a trapezium look like

What two numbers make 25R7 the quotient

5x+1/7-2x-6/4>-4 solve the linear equation

Given the functions: f (x) = x^2 + 3x and g (x) = - 3 + x what is f (g (x)) ? a) x^2 - 3x b) x^2 - 3x + 9 c) x^2 + 3x + 9 c) 3^x + 9

Jimena draws a figure with two pairs of parallel opposite sides. The four sides are not all the same length, and the figure has no right angles. Which two figures could she have drawn?

Donnie is planning to purchase a new tablet for $750. The tax rate in his city is 5.75%. How much will the tablet cost him?

Convert 5.2 into a fraction

Camila wants to save up $350 for a new phone. She already has $128.85 saved up and she plans to put away $22.25 per week until she has the full amount. What is the best estimate fpr how many weeks it will take camilla to reach her goal

If a 24 oz feeder feeds 21 rabbits a day how many rabbits could you expect a 16 oz feeder to