Could someone help? What is the common ratio of the sequence?

-2, 6, -18, 54,...
A. −3
B. −2
C. 3
D. 8

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36