18 ) Which real world situation could be represented with the expression 5 + 2a?

A There are 5 more flies than half the amount of ants.
B Sam is 5 years younger than twice his brother Alex.
C Double the number of apples, plus 5 more.
D Bradley is 7 years older than Amanda.

Through non-collinear points there is exactly one plane.

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Extra points! find the missing dimension! need asap