Answer:
if 25c + 15d = 0, then d = -25/15c
Step-by-step explan
just yes, that
answere:338cm^2
10×8+(10+14)×7+15×6=338
leg = cos(small angle)* hypotenuse
= cos(45)*4 = 2 *Square root of 2 or 2.83cm ( depending on how you need to answer.