65 68 and for 71 please show steps. thank you ans: 1 X+ yX 32 rudbyr…

65 68 and for 71 please show steps. thank you

ans: 1 X+ yX 32 rudbyr 55) Determine a,b,c,d. (7x^8) (y^-6) (z6)] / [(2x^6) (y^-7) (z^-4)3 = a + x^5 + Y^* 32 rudbyr 8) Given two equations, #1 and 12. IS each one true x^2 + 2x + 3 and 2. Is each one true (1) or false (0)? #1) —– — – x + 2 + — ; 2) —- 1 y + y 2 32 rudbyr . a * *^b + y^c + zad ans: 4 ans: 2 ans:1 – a * **b + y c + zad ans: 4 65) Determine a,b,c,d. [(7x*8) (y^-6) (246)] / [(2×6) (y-7)(z 32 rudbyr -4)] = a * xb * Y C 68) Given two equations, #1 and #2. Is each one crue x^2 + 2x + 3 2. Is each one true (1) or false (0)? x #1) —– — = x + 2 + — # 2 ) — — Y + Z Y Z 32 rudbyr 71) Calculator exercise: 75x^4 + 7x^3 + 3x^2 + 6x + 5 E ( – – – – – – – – – – – – -) – Ax^3 + Bx^2 + Cx + D + — x + 3 Determine E. ans:1 22 ans: x+3