The grades recieved by 200 students follow a normal distribution. The mean of the grades is 70%, and the standard deviation is 7%. The number of students who recieved a grade greater than 70% is about blank, and the number of students who got a grade higher than 84% is about blank.

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

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

Combine like terms to make a simpler expression 3z+z