Suppose that {h1, . . , h5} have l1 as a prerequisite, and {h6, . . , h10} have l2 and l3 as prerequisites, i. e., any curricula which involves one of {h1, . . , h5} must also include l1, and that which involves one of {h6, . . , h10} must also include l2 and l3. how many different curricula are there?

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?