A(r) is a function that gives area of a circle with radius r. it can be written in equation form as a(r)=3.14r to the secon dpower what is the value of a(4)

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Hurry which expression is equivalent to 3√x^5y?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before