Find the area of a triangle with sides a=5, b=8, c=11

Suppose a line L has an equation Ax+By+C==0, what is the slope of L if B=0 and A does not equal 0

A membership to the local gym cost $40 and then $2 per visit. What is the maximum number of visits that can be made for $90 and is it modeled by a linear function or a exponential function?

Find three odd integers such that the sum of the first, two times the second, and 3 times the third is70

Is it true that - a^n = (-a) ^n IF: a = 3; n = 2, 3, 4, 5?

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81 A. 79 B. 21 C. 25 D. 46

Rachel received a $70 gift card for a coffee store. She used it in buying some coffee that cost $8.13 per pound. After buying the coffee, she had $21.22 left on her card. How many pounds of coffee did she buy?

What is (12-2i) (5+3i) multiplied?

What is fourteen divided by 168.56

Which graph represents the given inequality 2x-5y<-20

Observe the expression below and select the true statement (s). 3y (7+2x) + 9xy-10 The " (7 + 2x) " in the first term is a factor. The "9" in the second term is a coefficient. The "x" in the second term is an exponent.