Sharon suspects that her brother's penny is unfair. she flips it 50 times and heads comes up 40 times. based on these trials, the probability that a flip of this coin comes up tails is a) 1/5 b) 4/5 c) 4/9 d (5/9)

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the