P+ 7 = 12 subtract 7 from both sides of the equation. subtract 7 from 7. 7 – 7 = 0 and 12 – 7 = 5, so p = 5. substitute 12 for p to check the solution. substitute 5 for p to check the solution.

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?