Erin is buying produce at a store. She buys c cucumbers at $0.69 each and a apples at $0.79 each. What does the expression 0.69c + 0.79a represent? The expression represents the
A. Number of apples
B. The total cost of c cucumbers and a apples
C. number of c cucumbers
D. total numbers of c cucumbers and a apples

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.