3 Kwame flipped three coins during a probability experiment. The outcomes of the first 20 trials are shown in the table.
Probability Experiment
Faces Showing Number of
on Flipped Coins Outcomes
3 heads
2
8
2 heads, 1 tail
1 head, 2 tails
3 tails
7
3
Based on the information in the table, in how many of the next 80 trials will the outcome be exactly two of the coins showing tails

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Can someone tell me if this is perpendicular? !

5x−4≥12 or 12x+5≤−4 can you with this problem