An element with a mass of 120 grams decays by 27.5% per minute. To the nearest tenth of a minute, how long will it be until there are 2 grams of the element remaining?

Roses cost $30 per dozen but cost more if bought individually. You can buy 7 dozen and 4 single roses or 64 single roses How much is one rose? How much money do you have?

31 √8 rational or irrational

Write and solve an equation to find the value of x. 30° 67° (2x+7) °

A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 14°52'. When the boat stops, the angle of depression is 45°10'.

How do i estimate then add write each sum in simplest form

1. Does the table below show a proportional relationship? If so, what is the constant of proportionality? x y 1 6 2 7 3 8 5 10

Peter has decided to save $30 each week to buy a new stereo system. Write a direct variation equation for the amount of money, m, that Peter has saved in, w, weeks.

Solve the equation |k+6| = 3

What is 3,817,453 to the nearest hundred

Let R=qs4, when s=8, R=16. When s=10, R is equal to