Ella bought some key chains and spent a total of $24. Each key chain cost the same whole-dollar amount. Shae bought between 7 and 11 key chains. How many key chains did Ella buy?

Which statements about these triangles is true

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90