Alexander placed four straws on his table.

Which two straws appear to be perpendicular to
each other?
A. Straws 1 and 2
B. Straws 1 and 3
C. Straws 2 and 3
D. Straws 2 and 4

Can someone me with this? write an even number that has a 7 in the hundreds place, an odd number in the thousands place, and is a multiple of

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Factor the polynomial. b^2 + 4b + 4