What is the value of x?(1) m ACB = 30(2) m A + B = 150
For every X, the action [X] is defined: [X] is the greatest integer less than or equal to X. What is the value of [6.5] x [2/3] + [2] x 7.2 + [8.4] – 6.6?
The sum of the ages of 22 boys and 24 girls is 160.What is the sum of ages of one boy plus one girl, if all the boys are of the same age and all the girls are of the same age, and only full years are counted?
In the Biotechnology class of 2000, there were X graduates. 32 of the graduates found a job, 45 continued on to their second degree and 13 did both. If only 9 people didnt do both, What is X equal to?
One of the solutions of the equation X2-X-k=5, is –3. What is the other solution of the equation?
Gina and Tina’s average grade is 23 points higher than Tina’s grade. What is the difference between their grades?
