Which expression gives the area of the triangle

Perform the indicated operation. (3 + i) + (5 + 7i) =

Heather is thinking of a solid that has 5 faces. One of the faces is a polygon that has sides of equal length. The other 4 faces are polygons that have three sides. What is the name of Heathers solid?

Parallel to the line 2x-y=7, passes through (-5,-3)

The volume of a cube is 636.056 cubic meters. What is the length of each side of the cube?

A carpenter wants to place carpet in a bedroom. The area of the rectangular floor is represented by the expression 12x^3 + 18x^2 - 24x If the length of the floor is 6x, what is the width of the floor?

Kim sold 20% of the 30 boxes of candy she had to sell. What PART of the candy did Kim sell?

Which would be appropriate compatible numbers to use to estimate (19 4/5) (4/6) A. 16 (1/3) B. 19 (2/3) C. 20 (1/2) D. 20 (1)

According to an airline, flights on a certain route are on time 85 % of the time. Suppose 17 flights are randomly selected and the number of on-time flights is recorded. (a) Explain why this is a binomial experiment.

Is 0.9 0.06 11/20 0.21 greater than 1/2 or smaller

Lynn used 3/8 cups of flour and 1/3 cup of sugar in a recipe what number is a common denominator for 3/8 and 1/3