What is the area of a triangle

A=77mm

B=5.9mm

C=9.7mm

Gracelyn has multiple sticks of different lengths to build a triangle for a class project. Which 3 lengths could Gracelyn choose to build the triangle?

Laura is buying dog food for a kennel. One bag of dog food cost $32. If she spends a total of $256, how many bags did she buy? What does x equal? What is the equation?

Round 3.993 to the nearest hundredth

What are the roots of the polynomial equation? 1/2x (x-7) (x+9) = 0 Select each correct answer. - 9 - 7 - 12 0 12 7 9

Lisa paid $43.95 for 16.1 gallons of gasoline. What was the cost per gallon, rounded to the nearest hundredth?

X^2-10x+21x2-10x+21

Which of the following is the solution set of 18 - 3n + 2 = n + 20 - 4n? Ø {0} all reals

The art teacher found 3 boxes of brushes and 4 extras brushes. There were 40 brushes in all. how many brushes were in each box

Xavier and Madeline's age combined is 28. Xavier is 4 yrs older than half of Madeline's age. How old will Xavier be in 2 yrs?

Rover's cylinder dog bowl has a diameter of 6 inches and a height of 2 inches. Approximately how much water does it hold? Use 3.14 for pi and round your answer to the nearest cubic inch.