For thousands of years old has been considered one of the earths most precious metals 100% pure gold is 24 karat gold which is too soft to be made into jewelry most gold jewelry 14 karat gold approximately 50% gold 18 karat gold is 75% gold in Tokyo goal is 50% good how much of each should be used to make a 14 karat gold bracelet waiting 150 g

1. preform the indicated operation. then estimate to see whether the proposed result is reasonable. 811.1 - 8.039 803.071 803.061 803.161 831.061 2. the ordered pair (1, 2) lies in which quadrant? quadrant ii quadrant iv quadrant iii quadrant i 3. sean tries to drink 3 liters of water every day how my millimeters of water does he drink in a day? 0.3 ml 0.003 ml 3,000 ml 30 ml 4. find the least common multiple. (lcm). 10, 36 5 180 20 360

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b