Solve the following system using substitution: x + 12y = 68, x = 8y - 12

Find the percent of each type of sandwich sold. the types of sandwiches sold one day al deli. A total of 50 sandwiches were % of the sandwiches sold were turkey. % of the sandwiches sold were veggie. Number Sold v % of the sandwiches sold were tuna.

In this problem, x = c1 cos (t) + c2 sin (t) is a two-parameter family of solutions of the second-order DE x'' + x = 0. Find a solution of the second-order IVP consisting of this differential equation and the given initial conditions.

Evaluate a² + ab - b² + 5 when a = 2 and b = 3. is the answer A. 0 B. 1 C. 6 D. 11

Find the quotient of 3493 and 32

The bottom of a boat lies 7 feet below the surface of the water the boat stands 18 feet above the surface of the water, Which expression can be used to find the difference between the two values? 07.18 18 (7) 18-7 7 - (18)

2-8x=10 looking for solution

What is 9/1 times 7/10

Kevin is 4 times as old as Daniel and is also 6 years older than Daniel. How old is Daniel?

sam and andre shared a number of pennies in the ratio 8:3 they received a total of 671 pennies how many more pennies did sam receive than andre

Efren leaves home at 9:00 A. M. and walks 4 miles per hour. His brother, Gregory, leaves half and hour later and runs 8.5 miles per hour in the same direction as Efren. Predict the time at which Gregory will catch up to Efren.