I'm nervous about the sat i have to take this saturday because i heard the math and everything was updated as of 2016. anyone take it since then and is it super hard and do we choose the subject test or are they automatically chosen. any answers would be gladly appreciated.

The volume of a cylinder is 72 tt cm3. if the radius is 3 cm, what is the height of the cylinder?

Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.