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which expression is equivalent to 3m+1-m?

a. 2+m-1+m
b.1+m
c.3m-1
d.3m

hep the ratio of the weight of shawn's dog to the weight of andy's dog is 5: 7 shawn's cat weight 23kg approimately how much does andy's dog weigh

Acheetah can run 70 per hour. what is the speed in feet per hour

Alarge cheese pizza costs $18. each topping you add on costs $1.50. how much would it cost to get a large cheese pizza with cc toppings added? write your answer as an expression