Mr. jefferson has 20 students in his class. he wants to send 4 of these students to pick up books for the class.

how many combinations of 4 students can he choose?

116,280

80

5

4845

Step-by-step explanation:

The number of  students in the class = 20

Students to pick up books for the class = 4

Here n = 20 and r = 4

To find, the total number of combinations of 4 students can he choose = ?

∴

Using the formula,

= 4845

The total number of combinations of 4 students can he choose = 4845

Hence, the required "option d) 4845" is correct.

x+y = 29, 5x + 2y = 100

step-by-step explanation:

i'm guessing it was a multiple first option was the correct answer

what does x eaqual

step-by-step explanation: