What best describes the effect nicotine has on the central nervous system

2 3/4 convert this number into an Improper fraction

Do the lines - x+5y=22 and 7x-2y=19 intersect

The area of a square is A = s², where s is the length of one side of the square. What is the side length s for each square? Drag the answer into the box to match each description. The square with A = 324 in² s = 324 in. s=324---√ in. s = (324) ² in.

Carol has 2 more pencils than Betty. Sue has 4 Less pencils than Carol. How many more pencils does Betty have than Sue

2x + 3y + 6 + 2x + 5y - 3 = having trouble solving

Which equation represents a circle with a center at (-3, - 5) and a radius of 6 units? A: (x - 3) 2 + (y - 5) 2 = 6 B: (x - 3) 2 + (y - 5) 2 = 36 C: (x + 3) 2 + (y + 5) 2 = 6 D: (x + 3) 2 + (y + 5) 2 = 36

What is 7/4 minus 4/6 What is 3/10 minus 1/5 What is 5/4 minus 5/12

Mr. Yen gave each teacher a box of candy with 12 pieces of chocolate in each. If there are 45 teachers, how many chocolates does he need to purchase?

Deshaun made $253 for 11 hours of work. At the same rate, how much would he make for 8 hours of work?

A school accepts 4/5 of its applicants. What percent of the applicants does the school accept