Consider the equation 1/4 (2a-20x)=3+bx.

which combination of values for a and b yields no solution for x? select the two answers that apply. neeed again 12 points

group of answer choices

a=6 b=-5

a=6 b=-20

a=12 b=-5

a=12 b=-20

a=2 b=-5

A(t)=728(1+0.04)^t how much money did aditya originally invest

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?