Verify that ΔABC ~ ΔDEF. Find the scale factor of ΔABC to ΔDEF ΔABC: AB = 10, BC = 16, CA = 20
ΔDEF: DE = 25, EF = 40, FD = 50
K=

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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)

What is the result of adding the system of equations? 2x+y=4 3x-y=6