Mr. O’Reilly has a cup of coffee at a diner. The cup of coffee costs $1.25, and he leaves a 60% tip. How much does he leave for a tip? anyone pls help

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50