Donald kept track of how long it took to finish his homework each day according to the graph, what was the rate of change between Tuesday and Wednesday

You see a used car you wish to buy. The dealer quotes you a price of $9,550. You have a blue book quotation of $8,400 for the same model and year. How much markup on cost is the dealer using?

What's the sum of a number k and 7

What is y=x-4; (-2,3)

The probability that a biased dice will land on a six is 0.4. Marie is going to throw the dice 400 times. Work out an estimate for the number of times the dice will land on a six.

Simplify 90/105. show work.

Kira made $180 for 12 hours of work. At the same rate, how much would she make for 9 hours of work?

Solve for w. V+w/2=a

Which pair of ratios is proportional? A) 6/21 and 2/42 B) 25/100 and 50/150 C) 18/24 and 6/12 D) 7/14 and 20/40

The sum of the two-digit number is 11. Twice the tens digit plus 2 equals ten times the ones digit. What is the number?

Cathy fills a 10-cup bucket with pond water. She uses a 2-cup jar to scoop out water from the pond and pours it into her bucket. How many times does cathy need to scoop water from the pond to fill the bucket?