Make the following time conversion.420 minutes to hours

A. 3 hr
B. 168 hr
C. 7 hr
D. 17 hr


Answer: C

Mathematics

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Using the given triangle lattice, if possible, sketch the following shapes. If not possible, explain why.


(a) Sketch four non-congruent non-right parallelograms with AB as one side.
(b) Sketch all of the squares with AB as one side.
(c) Sketch all of the non-square rectangles with AB as one side.
(d) Sketch an isosceles trapezoid with AB as one side

Mathematics

Write the expression as a pure imaginary number.

A. 5
B. 5i
C. -5i
D. -5

Mathematics

Estimate the answer by rounding as indicated.Estimate the product by rounding each factor to the nearest hundred.103 × 299

A. 30,000 B. 300,000 C. 20,000 D. 200,000

Mathematics

Solve the equation. Round the solution to four decimal places, if necessary.55x ? 53x + 8 = 105

A. 0.1895 B. -0.6385 C. 0.3553 D. -0.3406

Mathematics