exam
Maths Puzzle
Numerical Ability
Please help me solve for a for this equation: {{{ 7.5a+.5b-3.5c=6.5 }}} {{{ 2.5a-3b+4c=5 }}} {{{ 1.5a-5b+2c=-11 }}}
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exam Other Question
(1) How do we write the equation of a horizontal line? What would be an example?
(2) How do we write the equation of a vertical line? What would be an example?
(3) The points
Please so me how to solve..-4 with 2 as an exponent +1 with 3 as an exponent + -15 with 0 as an exponent. I tried -4x-4=16 + 1x1x1=1 + -15 with 0 exponent would be 1? 16+1+1=18 but this answer is wrong book says answer is -14 please help.