10.A solid circular titanium control rod at 7,000 lb axial tension force, stress must not exceed 42,000 psi. Assume that the modulus of elasticity of the titanium is
16,500,000 psi and that the rod must elongate no more than 0.20 in. Determine (a)
the minimum rod diameter (precision 0.00) and (b) the maximum rod length.
(precision of 1)

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer