The half-life of radium is 1690 years. If 50 grams are present now, how much will be
present in 80 years?

Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality

Acute identify < 1 and < 2 select all that apply of the following acute, right, obtuse, adjacent, vertical, complementary, supplementary