246=78a+6b
3192=1038a+78b
32:13::47:?
Find value of sin(180) cos(135) tan(120)?
show solution of 53.23 × 1.50
n²-35n+160=0
What is the fraction form of 4.02?
When misplaced a by b, the average of 10 numbers exceeded by 2.7, what is the value of b-a?
how do you solve 9/10 minus 2/5
Rishi can run 150 m in 30 sec. If he competes in a 400-m rce, about how many seconds will it take him to run the race?
how do you solve 5/8 plus 1/2
