There are 20p coins and 10p coins on a desk in the ratio 1 : 6. If there are 10 more 10p coins than 20p coins, what is the value of 1 part in this ratio?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Common binomial factor of 6x(3x+7)+5(3x+7)