Suppose someone tells you that she has a triangle with sides having lengths 2.6, 8.1, and 8.6. is this a right triangle? why or why not?

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Can someone me i’m confused. will give brainliest and a whole bunch of points

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.