Answer:
B. -21a-15
Step-by-step Explanation:

Answer: it would be 1.578 times 10^-6125
Or 1.578 times 10^-1230
Answer:
J
-66
Step-by-step explanation:
a1 = 2
n = 18
d = - 4
a18 = a1 + (n - 1) * d
a18 = 2 + (18 - 1)*(-4)
a18 = 2 + 17*-4
a18 = 2 - 68
a18 = -66
Answer:
y=4
Step-by-step explanation:
4y+3=19
=4y=19-3
=y=16/4=4
Answer:

Step-by-step explanation:
Set up equation.



