exam Maths Puzzle Numerical Ability

Sandy has $3.75 in change. She has three more quarters than dimes but twice as many nickels as quarters. Express the given information as an algebraic expression and simplify. [you are not required to solve the problem]

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exam Other Question

For a chi-square test involving a contingency table, suppose the null hypothesis is rejected. We conclude that the two variables are
A) linear.
B) curvilinear.
C) not related.
D) related.
E) none of the above. Landscaping:

To measure the height of a tree. Steve measures the angle of elevation of the treetop as 46 degrees. He then moves 15 ft closer to the tree and form this new point