Question

Can you help with the following questions.

Answer 1

Answer:

Answers are 250, 10, 11, 9.

Step-by-step explanation:

a = (5×(10)^2)/2 = (5×100)/2 = 500/2 = 250

b = 2x(10)^2(10-5)/10×10 = (2× 100 ×5)/100 = 1000/100 = 10

2x + y = 2(4) + 3 = 8 + 3 = 11

a^2 + b = (-2)^2 +5 = 4 + 5 = 9

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