3/8 Equivalent Fractions

i need only something /16

Solve the system of equations. y= 2x y= x^2 - 15

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625