Is 34.49 rational or irrational

1) f (x) = x2 + x - 1 even or odd

Find all complex solutions of x^2-5x+7=0

The high temperature in Northville one day was 14°F. The low temperature on the same day was - 9°F. What was the difference between the high and low temperatures for that day?

A man and woman share money in the ratio 3:2 if the sum of money doubled in what ratio should be divided so that the man should receive to get the same amount

2x-9+4x+8 The answer choices are: A 8x+17 B 8x-72 C 6x-1 D - 7x+12x

Analyzing a set of data

Does 9, 12, and 14 make a right triangle

Alan found 4 marbles to add to the 5 marbles in his collection. Then, he went to the store and tripled the number of marbles he had.

Which solid has two flat circle bases and a curved surface

Solve the equation for all real solutions. 15r2 - 6r - 3 = - 2r