Quincy is building a tower out of blocks that are each 5/6 of an inch in height. He decides to stack only nine so that his tower does not topple over. How tall is the tower with the nine
blocks

Evaluate the expression. (9 + 5)(3 + 2)0

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.

What is the solution of the equation? 35√(x+2)3+3=27