exam Maths Puzzle Numerical Ability

can u please help me with this storyproblem

during the first 10 minutes of flight, a jet plane climbs from ground level to an altitude of about 25000feet. what is the jet planes

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exam Other Question

Which of the given numbers are composite?
a) 15, 49, 55, 87, 91
b) 15, 55, 87, 91, 105
c) 15, 49, 55, 87, 91, 105
d) 15, 49, 55, 87, 105

Can someone help me with this proble
Hi. I need help solving this problem for my physics class. I am a bit rusty on solving systems.

I need to solve for x and y.

47-x=17y
23y+81=-3x