To solve, you start with distributive property and multiply 7 by n and 3 for
7n-21<-63 the you get the 7n alone by adding 21 to -63 and the 21 for 7n<-42. now you divide 7 by itself and 42 for n<-6
Answer:
The formula of circumference in a circle is 3.14 times diameter.
Step-by-step explanation:
3.14×20=62.8
The circumference is 62.8
Answer:
7 ft
Step-by-step explanation:
7 x 7 x 7 = 343
Answer:
r=-3 a^n=-8(-3)^n-1
Step-by-step explanation: