How is the expression (3 + y) ⋅ 7 described by its factors and terms? a: it has two factors and the factor (3 + y) has one term. b: it has three factors and the factor (3 + y) has one term. c: it has two factors and the factor (3 + y) has two terms. d: it has three factors and the factor (3 + y) has two terms. i will give you brainiest if right.

An equation where variables are used to represent known values—function notation true or false

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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