simplify 2(3x-5)+5(3-2x)
-4x+5
Find the numeric value of 3(5a-2b)-5(-a+5b), if a=2, b=3
-53
3(7x+1)/5=-12
x=-3
Jessica is 12 years older than her brother Michael. The sum of their ages is 40 years. How old is Jessica?
Jessica is 26 years old
What is the world's most earthquake-prone country?
Japan
(6x-12)/3 +(10-15x)/5
-x-2
Find the numeric value of 15ab2 +3a2b, if a=3, b=6
1782
2(3x+1)+3(2x-3)=5(2x+1)-4
x=4
In a class of 30 students, there are 4 more boys than girls. How many boys are there in the class?
There are 19 boys in the class
What is the human body's largest organ?
skin
(-8x2+5x-3)-(-2x2+4x)+(12x2-3x+15)
6x2-2x+12
Find the numeric value of -3abc +3a2bc3, if a=3, b=6, c=1
108
(-2x+3)/5 =(x+5)/2
x=-19/9
The area of a triangle is 45cm2, and its base is 12cm. What is the height of the triangle?
Everyone get 300 points!
Everyone get 300 points!
(5/9a +3/7b)-(2/3a+5/14b)-(a/2-5/2b)
-11/18a +18/7b
Find the numeric value of (x+1)/2 +(2y2-1)/4 if x=3 and y=4
39/4
(-2x+1)/5 +(3x+2)/3 =7/10
x=-5/18
The length of a rectangle is 3 more than twice the width. If the perimeter is 48 cm, what is the area?
The area of the rectangle is 119 cm2
Who is the leading NBA scorer?
Lebron James
3a(-2b+5a+8)-5a(2a-3b+15)
5a2+9ab-51a
Find the numeric value of (3xy2+2x2y)/4x2y2 if x=2 and y=3
5/8
3/4(2x+1)-2/3(6x+2)=3/4(-4x+1)-5/6
x=1
The sum of three consecutive even numbers is 72. What are the numbers?
#1 is 22
#2 is 24
#3 is 26
What galaxy do we live in?