WILL MARK BRAINLIEST IF CORRECT 1) alyssa has 4 less than 7 times the number of dimes (j) than jessica has which expression shows the number of dimes alyssa has.

A) 4 - 7j
B) 4J - 7
C) 7 - 4J
D: 7J - 4

Which functions shave a maximum and are transformed to the left and down of the parent function ,check all that apply f(x) = x2? p(x) =14 (x+7)2 + 1

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.

Find the arc length of the semicircle. 7the grade