exam Maths Puzzle Numerical Ability

Solve by the addition method.
3x-2y=-7
4x+3y=2

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exam Other Question

Activity Cal/h Activity Cal/h
Bicycling 6 mi/h 240 Running 10 mi/h 1,280
Bicycling 12 mi/h 410 Swimming Find two quadrants in which there are no points on the graph of y = x^2 + 1.

a. I & II
b. I & III
c. I & IV
d. II & III
e. II & IV
f. III & IV
g. Al of these have points in at least three quadrants.