Les is fencing in a triangular dog kennel that measures 7 feet by 15 feet. Which of the following can be used to find the area of the dog kennel, in square feet? (12-3) Group of answer choices

A = 7 x 15
A=1/2 (7 x 15)
A=2(7+15)
A=(2+7) x (2+15)

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Answer for 10 points show work you guys in advanced < 3