The temperature was measured with a degree of accuracy to the nearest 1°C, and recorded as 45°C. What is the percentage of error to the nearest hundredth?

I’m really confused and need to learn this

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.