In a cup of 16 pens, 3 are green, 9 are blue, 1 is black, and the rest are red. if a pan is selected at random, what is the probability that it is green or red? A. 5/8
B. 1/4
C. 3/8
D. 3/4​

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

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?