How do I write the sum using summation notation, assuming the suggested pattern continues. 16 + 25 + 36 + 49 + ... + n2 + ... ?

Write 5/8 as an expression

In circle O, central angle AOB measures radians. What is the length of arc AB? 6π cm 12π cm 18π cm 36π cm

What is 1/9 as a decimal

A group of friends are ordering food. The total amount that they can spend on their food bill is $41, including the delivery charge of $6. The equation below represents the situation, where x is the cost of each friend's meal.

a 129$ golf club is on sale for 30% off. if sales tax is 6.25% what will be the final cost of the golf club with the discount and sales tax?

James spent $20.16 on comic books. each book cost 0.72 he sold ea one for 0.20 less than he paid how much was received ftom selling books

Mick has a bag with 2 mint sticks, 11 jelly treats, and 7 fruit tart chews. If he eats one piece every 10 minutes, what is the probability his first two pieces will be a jelly treat and a mint stick? Give your answer in a percent.

What is the value of 5x^3+4y^3 when x=4 and y=3?

Find the rate and unit rate: 216 miles per 9 gallons A: 24 miles per 1 gallon B: 42 miles per 1 gallon C: 25 miles per 1 gallon D: 16 miles per 1 gallon

At 8:00 a. m., the outside temperature was - 16°. by 9:00 a. m., the outside temperature had dropped 6.5°. what was the outside temperature at 9:00 a. m.? a. 22.5° b. 9.5° c. - 9.5° d. - 22.5°