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What is a1 of the arithmetic sequence for which a3=126 and a64=3,725

A tank is in the shape of an inverted circular cone with height 500 ft and base radius 20 ft. It is filled with water to a height of 400 ft. Find the work required to empty the tank by pumping all of the water to the top of the tank.

Sam owes the bank a little less then $40 what could be his balance A.$40.25 B.-$39.25 C.-$40.25 D. 39.25

What is the percent of 80 out of 246

What is 16.83 kilometers converted to centimeters

Guys, I have a life question. So my BFF that i met in school (I had to switch schools) decided she was gonna quit a game that was our only communication. She said she is never gonna be on again and i'm sad because she NEVER responds to my texts.

Bill scores on his first four tests were 85, 90, 86 and 93. What will he have to score on his next test to obtain an average of atleast 90 for the term

Solve by elimination 4x+5y=15 6x-4y=11

Solve. Alex borrowed $12.50 from his friend Danilo. He paid him back $8.75. How much does he still owe?

Jaylon makes twice as much an hour as Sam. Sam makes x dollars an hour. Write an expression describing how much Jaylon makes an hour. A) 2x B) x2 C) 2 + x D) x - 2 Eliminate E) x : 2