Find the values of x and y such that: (2x – 4) + 9i = 8 +3yi

A contractor estimates that he could finish a project in 15 days if he has 20 men. At the start, he hired 10 men then after 6 days, 10 more men are added. How many days was the project delayed?

Find the distance from point (5,6,7) to the origin.

An urn contains 12 marbles; 10 are red and 2 are white. You choose two marbles at random. What is the probability that the second marble is red if you know that the first marble is white?

Azar throw a stone horizontally at a speed of 5.0 m/s from the top of a cliff that is 78.4 m high. How long does it take the stone to reach the bottom of the cliff?

Write the slope-intercept form of the equation of the line with slope 4 that passes through the point (-1,3).

A rectangle has its length equal to (5x + 2) millimeters, find its width if it has an area of (15x^2 – 29x -14) square millimeters.

Determine the future amount of a Php1,500 for 6 months and 10 days if the rate of interest is 15%

using ordinary simple interest.

A Php15,000 was invested at 10% compounded monthly. What is its future worth after 5 years?