The sum of the measures of three angles is 200. These measures are in the ratio 3:5:12. Find the measures of the
three angles. [Only an algebraic solution will be accepted.]
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The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8