Work out
a) 4 1/3 × 6
b) 2 3/5 × 3 1/3

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.