Show the steps to calculate 4/7 x ? = x/21 ( ? is the factor that has to be multiplied times 4/7; x is the unknown numerator of the equivalent fraction. i need you to show the complete equation, including the unknown values.) this is for 20 pts me

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?