Multiply the expressions. 3:2 + 21 - 21
1-2:2 - 25 + 12
2:2 + 25 + 63
6.12 + 71 - 49
If a = 1, find the values of b, c and d that make the given expression equivalent to the expression below.
ax+b/ cx+d

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =