How many different ways can teams of four members be formed from a class of 20 students?
A) 5
B) 80
C) 4,845
D) 116,280

Which equation represents the partial sum of the geometric series?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).