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 $(blank)

. The cost for 1 child is $(blank)
.

b. The total cost for 1 adult and 3 children is $(blank)
.

Question 2
c. Is $30 enough for a family of 2 adults and 2 children to eat at the buffet?
yes or no
pl need real and good answer or if not im going to reprove:(

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect

Robert has 78 tomatoes and 56 cucumbers he wants to plant them in equal rows how many in each row