Multiply (2 - 7i) (9 + 5i)

Evaluate the 8+5p=1 expressions by substituting the value given

Solve by factoring: - 6c^2-30c+504=0 If there are multiple solutions (which there are) separate them with a comma.

What is the frequency of a wave if the wavelength is 100 m and the speed is 200 m/s? A. 2 Hz B. 100vHz C. 0.5 Hz D. 200,000 Hz

A circular jogging track forms the edge of a circular lake that has a diameter of 2 miles. Johanna walked once around the track at the average rate of 3 miles per hour.

Ten times a number decreased by seven equals 101 plus that number. Find the number

A bag contains purple marbles and yellow marbles, 86 in total. The number of purple marbles is 2 more than 5 times the number of yellow marbles. How many purple marbles are there?

What is the probability of drawing a face card that is a club on the first draw, replacing it and drawing a diamond card on the second draw? This question is based on a 52 card deck without jokers.

If a statement is true, then it's converse must be true as well. True or false

Which digit can replace the? to make this number sentence true 736,554 < 7?6,573 < 736,589 only one answer

2. A pool company is trying out several new drains. Drain A empties a pool at a rate of 2 gal/min. Drain B empties a pool at a rate of 5 gal/min. One pool has 108 gal of water in it.