The amount of radioactive element remaining, r, in a 100-mg sample after d days is represented using the equation r=100 (1/2) ^d/5. What is the daily percent of decrease?

A. 87.06%

B. 12.94%

C. 3.13%

D. 10%

Which of these could be the dimensions of a unit cube? Select all that apply. A. 1 ft. by 1 ft. by 1 ft. B. 1 in. by 2 in. by 1 in. C. 1 ft. by 1 in. by 1 cm D. 1 mm by 1 mm by 1 mm E. 1 m by 1 m by 2 m

Find the value of the expression: - 0.5 (7b-12a) - (8.4a-14b) if a=-10; b=-6.

Functions f (x) and g (x) are shown below: f (x) = 2cos (x) Courtesy of Texas Instruments Using complete sentences, explain how to find the maximum value for each function and determine which function has the largest maximum y-value.

Jan has $130 she saves $25 per week determine how many weeks it will take for her to have $600

What is 50/600 simplified?

What is the value of the expression 4 (x+y) when the x=6 and y=2.4

Which value of x satisfies both - 9x+4y=8 and - 3y-y=4

How do you use theorems about parallelograms to solve problems?

Sixty-eight percent of US adults have little confidence in their cars. You randomly select eleven US adults.

What is 28.5 divided by 5