The expression 10a+6c gives the cost (in dollars) for a adults and c children to eat at a buffet restaurant. a. The cost for 1 adult is $ ?
. The cost for 1 child is $ ?

b. The total cost for 1 adult and 3 children is $ ?

Question 2
c. Is $30 enough for a family of 2 adults and 2 children to eat at the buffet?..

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

The value of cos 30° is the same as which of the following?