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How many molecules are in a 671 g sample of CO2?
How do you solve $3 r^{2} - 8 r - 16 = 0$ $3r ^ { 2} - 8r - 16= 0$ ?
Question #fa71b
How do you simplify ${(2 x^{4} y^{3} v^{2})}^{3}$ $(2x ^ { 4} y ^ { 3} v ^ { 2} ) ^ { 3}$ ?
Question #af92a
What is an en dash vs an em dash?
How do you solve and check your solutions to $5 g = 20$ $5g=20$ ?
The label on a box of washing soda states that it contains $N a_{2} C O_{3}$ $Na_2CO_3$ . Name the elements in this compound. In what ratio are they present?
How do you graph using slope and intercept of $- 5 x + y = 0$ $- 5x + y =0$ ?
Question #143ea
If the ﬂour to sugar ratio is 5 cups ﬂour to 1 cup sugar, then how much sugar is needed if only 2 cups of ﬂour are used?
How do you find the slope and intercept of $3 x + 7 y = 4$ $3x+7y=4$ ?
How do you solve $33 – 2a > 7$ ?
What is the correct formula for the compound made by magnesium and nitrogen?