Santiago collects 435 cents in nickels. how many nickels does he collect? (i think i'm dumb for being in fourth grade, and not knowing this.)

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

Find the area of a parallelogram with base 15 yards and height 21 2/3

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)