The angle measures of triangles are shown.

which angle measures represent an acute triangle?

select all correct responses.

25°, 75°, and 80°

40°, 40°, and 100°

45°, 45°, and 90°

35°, 55°, and 90°

15°, 70°, and 95°

20°, 80°, and 80°

60°, 60°, and 60°

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex