Find the circumference of a circle with diameter, d
= 3.2m.
Give your answer rounded to 2 DP.

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.