Find each product: c) (-7)[(3)(4)] d) (-7)[(3)(-4)1 a) (-7)(12) b) (-7)(- 12)

Q: What is the coefficient of x7y8 in the expression of (x + y2)11 ?

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Q: {(a) = 3(a + 2)² – 10 9(b)- g5(-2))-

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Q: -3(w+1)+8(w-3)=-5w+9+6w

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Q: (3c)²(3c)³

A: To solve 3c23c3

Q: (i) 3mn, – 5mn, 8mn, – 4mn (iii) – 7mn + 5, 12mn + 2, 9mn – 8, – 2mn – 3 (v) 14x + 10y – 12xy – 13,…

A: Given that: 3. (i)-5y2 from y2    (iii)(a-b) from (a+b)      (v)-m2+5mn from 4m2-3mn+8     NOTE: As…

Q: What is BD? B BD= 12 A X+6 20

A: Given figure:-

Q: Add or subtract as indicated: 8/(x - 2 ) + 2/(x - 3)

A: To add:  8/(x - 2 ) + 2/(x - 3) We need to take LCM first then to solve further.

Q: 6.) Simplify: -2.5(-2b+ 3) – 6b

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Q: -7 – 6/7i

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Q: Determine L-1 (-1(1+81) S³ 1 (a) =—=t+2₁² (b)t+4t² (c) t+8t² 1 (c) t+8t²

A:

Q: Evaluate 4 [^3(3²) + 3(1²) dz =

A:

Q: Evaluate f2r(r2 + 1)23dr

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Q: 7(p+q+4)=7p+7p+blank

A: Given : 7(p + q + 4) = 7p + 7q + ?

Q: (n+3)!

A: (n+3)!/n! =(n+3)(n+2)!/n!

Q: b. (w4x-5)(w2x-4)

A: Step 1: Step 2: Step 3: Step 4: