Simplify the polynomial expression: (4x3 + 10x2 − 3x + 15) + (−2x2 + x −2) answer options: 4x3+12x2−4x+13 8x2+4x3+3x+17 4x3 +8x2−2x+13 6x3+10x2−4x+13

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

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.

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up