A factory produces three types of products, X, Y, and Z. The average production of product X over 5 days is 120 units per day. The average production of...
A boat can travel 30 km downstream in 2 hours and return upstream in 3 hours. What is the speed of the boat in still water?
If the roots of the equation x² + 5x + k = 0 are real and equal, find the value of k.
What is the total sales for Product B in all four quarters combined?
Simplify the given expression:
6 × 6 ÷ 6 of 6 × 60% of 600
Two pipes A and B can fill a tank in 15 hours and 20 hours, respectively. Another pipe C can empty the tank in 30 hours. If all three pipes are opened t...
If sin x + cos x = 7/5, find sin⁴ x + cos⁴ x:
The salaries of A and B are in the ratio 3:5. If the salary of A increases by 20% and the salary of B increases by 10%, the new sum of their salaries be...
In triangle ABC, DE is parallel to BC. If AD = 3, DB = 2, and DE = 5, what is the length of BC?