1. Scientific Notation &Percent. (Obj.1 & 4.Textbook pg. 22 & 23 and % = with pg. 99)Two percent of Jennie’s skin cells were burned when she escaped from a fire. If 3.7 × 1010 of her skin cells were burned then, how many skin cells were not burned

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.

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

Plz ( true - false) all triangles have interior angles whose measure sum to 90.