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1. Simplify the expression. 22 + (32 – 42) 2. Simplify the expression. 3. Evaluate the expression for a = –1 and b = 5. 5a – 7 4. Evaluate the expression for a = –1 and b = 5. (ab)2 5. Simplify the expression. 9xy2 – 11xy2 6. Simplify the expression. -3(b – 7) 7. Solve the equation. Check your answer. 8. Solve the equation. Check your answer. 4y + 5 = – 31 9. Solve the equation. Check your answer. 3x – 7 = 5x + 19 10. A cheetah ran 300 feet in
1.12 3.-12 4.(-1*5)^2= (-5)^2=+25 5.-2xy^(2) 6.-3b+21