80 decreased by 3 times a number is 56 what's the number

John divided his souvenir hat pins into two piles. The two piles had an equal number of pins. He gave his brother one-half of one-third of one pile. John had 66 pins left. How many pins did John originally have?

Jabari is power washing houses for a summer job. For every job, he charges an initial fee plus $30 for each hour of work. His total fee for a 4-hour job, for instance, is $170.

Find the value of XP if X is between P and Q. XQ = 3k, XP = 7k - 2, PQ = 6k + 18

Round 23.8763 to the nearest cent

Carlos biked 24 miles and ran 6 miles. Write the ratio of the distance Carlos bite to the total distance. A: 6 to 24, 6:24, 6/24 B: 3 to 12, 3:12, 3/12 C: 30 to 24, 30:24, 30/24 D: 4 to 5, 4:5, 4/5

Two popcorn bags and four cokes cost $8. Write an equation in standard form to describe the cost of popcorn and coke. (I need to know a standard form equation, a slope-intercept form equation, and how much the cookies cost if sandwiches are $3.

Which trig function could be used to find the measure of angle c if ab and ac are given which equation would used to find the height of the flagpole with the hypotenuse is 5 m and the angle as 50 degress?

True of false that 9.1 is lagg er than √82

samuel wants to buy a snake for 288 and the pet store owner wants hin to make 6 equal payments of 49 what error did the pet store owner make

fees associated with taking out a mortgage