If Julie makes 18 baskets, how many baskets does Kari make? How many baskets do they make in all?

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.

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

What makes a trapezoid an isosceles trapezoid?