1.9 an electronics store buys media from customers
to resell. the store pays one customer $5.30 for one
blu-ray disc, four dvds, and three vhs cassettes, a
second customer $11.50 for five blu-ray discs and
two dvds; and a third customer $10.20 for two blu-
ray discs, eight dvds, and two vhs cassettes. find
the amount the store pays for each item.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

What are the domain and range of the function f(x)=2^x+1