Isme estimated that there are 50 students in the seventh-grade class. There are actually 40 students in the seventh-grade class.
A. What is Isme's percent error?

B. Out of the 40 students in the seventh-grade, 60% of the students carry a cell phone. What fraction of the students in the seventh grade class carry a cell phone? How many students in the seventh grade class carry a cell phone/

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,