The half life of an element is 47 years. Find how long it takes for 928 grams to decay to 256 grams. Round to the nearest hundredth. Show all work for full credit.

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

What is the circumference of a circle with an area of 50.24 cm²?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.