If k(x) = b x and k(a) = 0.2, which option below gives the value of k(–3a)?

Which of the following statement about pascal's triangle are true?

What does independent variable and dependent variable mean in math?

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =