Answer:
21 and 30
Step-by-step explanation:
x + y = 51
x - y = 9
add the two equations and y's will cancel out
2x = 42 divide by 2
x = 21 so put 21 in for x in the top equation and solve
21 + y = 51
y = 30
61.7 seconds?? Please make it more clear, and there may be some missing information
Answer:
Lateral area -288. Surface area-96
Step-by-step explanation: teacher told me
Step-by-step explanation:
3(2x+4)
<em>3</em><em>×</em><em>2x</em><em>+</em><em>3</em><em>×</em><em>4</em>
<em>6</em><em>x</em><em>+</em><em>1</em><em>2</em>
