When 40 is added to the number of miles karen ran last week, the result is the same as adding 10 to 4 times the number of miles she ran last week. how many miles did karen run last week?

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²