Which expression represents the algebraic phrase "negative 3.9 less than one third of a number"?

Given that cos a = 1/3 find cos 2a

The length of a rectangle is 3inches more than its width if the perimeter is 42inches find the dimensions of the rectangle

Q2. If the sizes of interior angles of a pentagon are 2x0, 3x0, 4x0, 5x0 and 6x0, find the largest interior angle of the pentagon.

Joel takes out a loan with a stated rate of 11.85% interest. If the interest is calculated weekly, how much greater is Joel's effective rate than his stated rate?

3X 9=? Tens digit: 3 - 1 = Sum of digits: + = 9 3x9=

Ejercicios de velocidad angular

What is the rational number between - 1/6 and - 2/6

What is the value of y in the equation 4 (5y - 8 - 2) = 185 - 15? 8.5 9.7 10.5 42.5

Angles f and g AE complementary angles. Angles g and h are supplementary angles. The degree measure of each angle is a whole number. What is the smallest possible measure of angle h

Simplify sin 0 cot 0