Do the calculations and round the answers to the correct place (using the rules for calculating significant digits): 4.8754 x 3.2

Mary had at least an 80% on her test write an inequality to represent this situation

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°