exam Maths Puzzle Numerical Ability

Consturction:
A road has a rise of 6 ft in 80 ft. What is the gradient angle of the road? Round to the nearest tenth of a degree?

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exam Other Question

how do i solve this equations by graphing it?

and how do i put it in my calculator to solve and graph it?

3x-6y=9
Product Rule for Exponents: If c,d, and w are real numbers and w not equal 0, then w to the c power w to the d power =______________.