Question: Please show work: 15. Solve the following inequality and graph its solution on the number line. -2x - 3=7 -10 -9 -8 -7 -6 -5

Please show work:

15. Solve the following inequality and graph its solution on the number line. -2x - 3=7 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 3 4 5 6 7 8 9 10 16. The formula for the surface area (A) of a cylinder with radius and heighth is given by A = 2mr+ 2mrh. Solve this formula for h. 17. The Samoan moss spider has an average body length of 0.0003 meters. Write this number in scientific notation. 18. What is the equation of a vertical line through the point (-3, 5)? 19. Simplify the following expression. 3 6 +1 2+ 16 20. If f(x) = 2x - 1 and g(x) = 3x + 5, what is fig(-3))? 21. Graph the following equation. y - 6 -5 -3 - 2 2 7 x 6

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