find a slope of the line that passes through a(-18,16) and b(31,40)

a. 49/24
b. -49/24
c. 24/49
d. -24/49

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?

What is 74 round to the nearest ten