Answer:
B. Angle 2 = Angle 3
Step-by-step explanation:
Answer:
2.5 gallons of the 20% solution must be replaced by the 36% solution.
Step-by-step explanation:
Any singular matrix (a matrix with zero determinant) has no inverse.
$140.80. The last part was a little tricky at first and then i relised that it was $7 an hour