How to find equation of a curve

Jim is two years older than his sister Mary. The sum of their ages is greater than 32. Describe Mary's age. Create an inequality for this situation, show all of your work and simplify the inequality.

As each of a group of business people arrives at a meeting, each shakes hands with all the other people present. (A) Use mathematical induction to show that if n people come to the meeting then [n (n-1) ]/2 handshakes occur.

Why is the sign of the number that is multiplied by the hours negative?

A painter charges $15.07 per hour, plus an additional amount for the supplies. If he made $170.83 on a job where he worked 6 hours, how much did the supplies cost?

Omg got this new math class dont know anything about simple college math and I know Im going to fail

Total of 78 baseball and football cards in a box. ratio of baseball to football cards is 8 to 5. how many baseball cards are in the box?

Mica and joan are on the same softball team. mica got 8 hits out of 48 times at bat, while joan got 12 hits out of 40 times at bat. who do you think is most likely to get a hit get next time at bat? Explain

What is the average of these four dollar amounts to the nearest cent? $400 $323.69 $7,352 $19.99

Choose all the numbers that are part of Integers. A) 1 B) 0 C) - 3 D) 5/6 C) - 23

1. - 8 + (-3) + 6 = ? 2. 1+7-9=? 3. I-15-9I=?