Apples cost $0.75 per pound and bananas cost $1.05 per pound. A baker bought a total of 12 pounds of apples and bananas for $10.20.

The system of equations {a+b=120.75a+1.05b=10.20 models this situation, where a is the number of pounds of apples, and b is the number of pounds of bananas.

How many pounds of each did the baker buy?

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?