On a piece of paper, use a protractor to construct a triangle with angle measures of 40° and 70°. Which statements about this triangle are true?

Select all correct answers.

All sides have different lengths.

Two sides have the same length.

It is an obtuse triangle.

It is an acute triangle.

The third angle measures 110°.

The third angle measures 70°.

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6