What is the area of this quadrilateral? 9 ft
141
4 ft
3 ft
9 ft
3 ft
A. 60 square feet
B. 48 square feet
C. 34 square feet
D. 36 square feet

Help I forgot how to do it

What dimensions can créate more than one triangle ?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?