Ajewelry store marks its merchandise up by 80%. if the wholesale price of a bracelet is $55, what will the store charge for the retail price?

a.) $63
b.) $75
c.) $99
d.) $110

Which statements regarding efg are true? check all that apply.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels