Sin(xy)=x^2 find dy/dx

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points