PLEASE HELP ME!! Which estimation technique will yield a solution that is the farthest from the actual product of (-14.89)(1.35)

A) front-end estimation

B) rounding to the nearest tenth

C) rounding to the nearest whole number

D) compatible numbers

Find the given elements if matrix d:

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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