6+√-80? A. 6+16√5i

B. 6+4i√5

C. 6+16i√5

D. 6+4√5i

√-121?

A.-11i

B. 11i

C.-11

D. 11

√-48?

A.-4√3

B. 4√-3

C. 4i√3

D. 4√3i

If $75 is put in an account that gets 6% and I add $20 at the end of each year, how much will there be in the account at the end of 10 years?

1/2k when k = 3/4 do I multiply

26 x 69. Estimate

Sammy was selling tickets for the football game. He sold five more adult tickets than senior tickets and twice as many children's tickets than senior tickets. Let s represent the number of senior tickets sold

An oil company fills 1 over 12 of a tank in 1 over 3 hour. At this rate, which expression can be used to determine how long will it take for the tank to fill completely? 1 over 12 ⋅ 3 hours 1 over 3 ⋅ 12 hours 1 over 3 ⋅ 1 over 12 hours 3 ⋅ 12 hours

The sum of the first 20 terms of the sequence a (n) = 7n+2

What is the standard equation of the circle in the graph?

Name two decimals whose quotient is about 4.1

Which products result in a difference of squares? Check all that apply. (5z + 3) (-52 - 3) (w - 2.5) (w + 2.5) (8g + 1) (8g + 1) (40 - 9) (-4v + 9) (6y + 7) (7y - 6) (p-5) (-5)

Brandon's family is planning a trip from Dallas to San Antonio. Dallas is about 272 miles from San Antonio. If Brandon's dad drives an average of 60 miles per hour, about how long will the trip take?