David buys a sandwich and a drink. These bills and coins represent the cost of each item. How much did David spend in all? Enter your answer in the box. $ A group of bills and coins labeled Sandwich. There are 4 one dollar bills, 2 quarters, and 2 dimes. There is another group of coins labeled Drink. There are 3 quarters, 2 dimes, and 1 penny.

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.