The decay rate, k, for a particular radioactive element is 2.5%, where time is measured in years. Find the half life of the element. (Round to one decimal place)

The length of a rectangle is 2 units shorter than one-fifth of the width, x. what is the perimeter of the rectangle

Raphael paid $668 for a camera during a 20% off sale. What was the camera's regular price

How do I solve the product of 8 and 54?

The A company is selling two different sized medicine balls to a local college's athletic department. ratio of the diameters is 15: 11. If the diameter of the smaller ball is 55 cm, what is the volume of the larger ball?

What is the solution to the equation fraction 1 over 3x = 6? x = 18 x = 2 x = fraction 1 over 2 x = fraction 1 over 18

Find $5,875 : $6,030 rounded to the nearest tenth of a percent.

0.85 is 10 times as much as? and 1/10 of?

Which percent is equivalent to? 2 5/8

Round 76,902 to the nearest one thousand

Makayla already has $45 dollars in her savings account. If she puts $15 per week in her account, how many weeks can she save to have at least $120 in her account? Select all that apply: A) 15 B) 45 C 60 D) 61 E) 65 F) 75