You use the length of your shoe to measure your room. your shoe is 9.75 inches long. you walk across the room, heel to toe, and count 17.5 shoe lengths.

about how long is your room in inches?

a. about 7.5 inches

b. about 27 inches

c. about 150 inches

d. about 170 inches

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)