1. Combine like terms.7a + 4b + 5 - 9b + 4a + 2 11a - 2b + 6 11a2 5b2 + 7 11a - 5b + 7 13ab 4 points Question 2 1. (2)(-5) 110 100 -12 -10 4 points Question 3 1. Evaluate. for x = 7, y = 4 4 points Question 4 1. Evaluate.-32 6 9 6 9 4 points Question 5 1. -13 - (-5) -8 18 18 8 4 points 1. Question 6 Evaluate.19 11 + 16 13 666 9 292 5 416 1 417 4 points Question 7 1. 2(6)(-9) -1 108 108 3 4 points Question 8 1. 12 + (-22) + 4 + (-2) 12 16 -8 40 4 points Question 9 1. Write the expression in exponent form.(7)(7)(7) 71 37 3 7 73 4 points 1. Question 10 Divide and write the answer in simplest form.-102 (-6) 7 17 17 4 points Question 11 1. Use a real number to represent the situation.They hiked 121 feet below sea level. +12 1 121 4 points 1. Question 12 Evaluate2 + (-12) 10 10 14 14 4 points Question 13 1. Divide and write the answer in simplest form.138 (-6) 23 -33 -23 4 points 1. Question 14 Find the absolute value.|20| 20 0 20 40 4 points Question 15 1. Evaluate.|-6| + 60 60 22 9 10 4 points Question 16 1. Evaluate.9x + 7 for x = 5 9 0 3 8 1 6 5 2 4 points Question 17 1. Evaluate.a2 - 8abc - c2 for a = -5, b = 9, and c = 4 1431 1481 1449 1399 4 points Question 18 1. Simplify by removing grouping symbols and combining like terms.4x - 2(x - 6y) 2x - 6y 3x + 12y 2x + 12y 2x 12y 4 points Question 19 1. Use the distributive property to simplify.6(x + 8y) 6x + 8y 6+ 48y 6x 48y 6x + 48y 4 points Question 20 1. Evaluate.(10 - 4)2 3 4 4 8 2 7 7 3 4 points Question 21 1. Find the absolute value.|-18| 0 18 18 36 4 points Question 22 1. Combine like terms.6x - 3x + 3 9x + 3 3x + 3 -3x + 3 6x 4 points Question 23 1. -9 + (- 14) + 19 14 -4 42 24 4 points 1. Question 24 Use a real number to represent the situation.The thermometer read 38 below zero. -38 +3 8 4 points Question 25 1. Evaluate.9 2 - 6(3 - 5)2 126 48 -6 -25