The large cities of the Indus Valley civilization featured homes made mostly of O A. brick
B. grass.
C. stone.
D. wood.

Can (3,5 and square root 34) be sides on a right triangle?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.