Choose the correct simplification of the expression a^9b^10/a^2b^7 A. a11b17
B. 1/a11b17
C.1/a7b3
D. a7b17

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units