The floor is 7 m long and 6 m wide. A square carpet of sides 5.5 m is laid on the floor Find the area of the floor that is not carpeted.

please help me answer this! i got it wrong and im not sure how :(

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Is a square always, sometimes, or never a parallelogram