An experiment on the side effects of pain relievers assigned arthritis patients to take one of several over-the-counter pain medications. of the 425 patients who took one brand of pain reliever, 20 suffered some "adverse symptom." does the experiment provide strong evidence that fewer than 11% of patients who take this medication have adverse symptoms?

It says factor each expression 49x-28?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?