Solve the following system of linear equations by substitution and then state the correct answer. −16x+2y=32
y=8x+16

A). (−4,−7)
B). Infinitely many solutions.
C). (4,3)
D). (4,−2)

Name the most appropriate metric unit for each measurement

In the rectangle below ac=30 units what is de

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)