Graph each function and determine the y-intercept, then use the graph to determine the approximate value of the given expressiexpression y=9^x,9^0.8 a. 0:2.6
C. 0:4.9
b. 1:3.4
d. 1: 5.8

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.