Evaluate the variable expression when a = -2, b = 3, and c = 4. 1. -2a + 3b 2. ( c - a ) - + 2b Simplify the following 3. -x 1+112 4. -4 + 3a - 96 + 11a 5. -3(2a) 6. ---(-10a) 10 Determine If the 7. -4(3y - 4) 8. -7(-2x2+4x+6) 9. 5(2y - 5) - 2(4 - y) 10. -4x - 3[3x - 3(x + 6)] - 5Translate the following into an expression 11. the product of 2 and the sum of x and 8 12. 16 more than the product of m and -1 13. a number subtracted from the product of four and the number 14. three times the sum of a number and forty 15. Is -3 a solution of y -1 = y +11? ed by 9 16. t - 5 =-3 17. 2x = 12 Determine if the proportion is true or not true. 18. 606 words _ 302 words 10 minutes 5 minutes Solve for n 19. n 18 20. A transistor company expects that 3 out of 245 transistors will be defective. How many defective transistors will be found in a batch of 184,485 transistors