The answer is 18
-7^2+4(-7)-3
49+(-28)-3
21-3
18
Answer:
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Step-by-step explanation:
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Lateral Surface Area of a square pyramid (4 isosceles triangles): For the isosceles triangle Area = (1/2)Base x Height. Our base is side length a and for this calculation our height for the triangle is slant height s. With 4 sides we need to multiply by 4. (hope this will help)
Answer:
Step-by-step explanation:
4ox-16=4[10x-4]this is because 4 is the common factor in both 40and 16
16x-24x-4±12=4[4x-6x-1±3]
-8x-8=8[-1-1]
Solution :
a). The point estimate of proportion of college graduates among women who work at home,

= 0.3281
99.5% confidence interval



