Write the sentence as an equation. Let the variable x represent the number.Twice a number less 3 equals 7.
A. 3 - 2x = 7
B. 2x - 3 = 7
C. 2(x - 3) = 7
Answer: B
Mathematics
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Write the standard form of the equation of the circle.Center (3, 0), r = 4
A. (x - 3)2 + y2 = 16 B. (x + 3)2 + y2 = 16 C. x2 + (y + 3)2 = 4 D. x2 + (y - 3)2 = 4
Mathematics
Determine the slope and y-intercept of the function.f(x) = 10x + 2
A. m = 10; b = -2 B. m = 10; b = 2 C. m = -10; b = 2 D. m = -10; b = -2
Mathematics
Determine whether the statement is true or false.Zero is always less than a negative number.
A. True B. False
Mathematics
Find the area of the triangle having the given measurements. Round to the nearest square unit.A = 37°, b = 18 meters, c = 11 meters
A. 122 square meters B. 120 square meters C. 30 square meters D. 60 square meters
Mathematics