Me!
what is the best approximation for the circumference of a circle with a diameter of 300 ft? use 3.14 to approximate pi.
a 235.5 ft
b 471 ft
c 942 ft
d 2826 ft

What is the equation of the graph below? y=sec(x)-4

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?