Suppose that rectangle abcd is dilated to a'b'c'd' using vertex b as the center and a magnitude of 2. what are the coordinates of d'? a) (3, 4) b) (8, 4) c) (4, -8) d) (4, -11)

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Write the equations in logarithmic form 10^3=1,000

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5