Answer:
common difference(d) = 11
first term (a)=11
then the nth term
=a+(n-1)d
=11+ (n-1)*11
=11+11n-11
=11n
Answer:
In a class of 40 students, 20% are females. How many males are in the class?
ANSWER
= 32
Answer:
The answer is D. -5.
Step-by-step explanation:
The sequence begins with 9. The sequence is reduced by 2 each step, for seven steps. Results of the seven negative steps:
7 * -2 = -14.
The difference is:
9 - 14 = -5
Answer:

Step-by-step explanation:
The area of a square can be found using the following formula:

where
is the side length.
We know the side length is 9 feet.

Substitute the value into the formula.

Evaluate the exponent.
- (9 ft)²= 9 ft* 9ft = 81 ft²

The area of the square is 81 feet squared.