The back wheel of a bicycle rotates 22two fifths
2
5 times with 11two thirteenths
2
13 rotations of the pedals. Write the ratio of back wheel rotations to pedal rotations in simplest form.

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

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

Simplify the expression below -3(10x+4y)+6(6x-2y)