A. Directions: Evaluate the given expression.

x²- 3xy + 5y², for x = 3 and y = -1

The answer is 23

Step-by-step explanation:

x²- 3xy + 5y², for x = 3 and y = -1

(3)²- 3(3)(-1) + 5(-1)²

9 + 9 + 5 = 23

Thus, The answer is 23

-TheUnknownScientist 72

Step-by-step explanation:

x²- 3xy + 5y²

(3)2 - 3(3)(-1) + 5(-1)2

9 + 9 + 5 = 23

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

#faazmessi

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: