If machine A produces x widgets per hour, and machine B produces 20 less than twice as many as A per hour, write
the expression for how many widgets both machines
produce in 6.5 hours.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25