In a chemistry lab you need to mix two acid solutions. The first one is 10% acid and the

second is 40% acid. How much of each solution should be mixed to obtain 400 cm3 of a 30% acid solution?

What is the stem and leaf plot

Can 11/154 be simplified

What is the effect on the graph of the function f (x) = 2x when f (x) is replaced with f (x - 3) ? A) translate vertically 3 units up B) translate vertically 3 units down C) translate horizontally 3 units left D) translate horizontally 3 units right

If 1760 yd=1mile, then 880 yd =

What is the solution to the equation 15=/x / - 5=

Brass costs $0.90 per pound, copper costs $2.15 per pound, and aluminium costs $0.75 per pound. Which medal would you recommend be for, for use as a heat sink in the tablet?

You earn $72 for every 8 hours you spend shoveling snow. You earn $60 for every 5 hours you spend babysitting. For every 3 hours you spend babysitting, you spend 2 hours shoveling snow. You babysit for 15 hours in January.

Beth can run 3 miles in 25.8 minutes. How long does it take her to run1 one mile you

Kelly has a ribbon that is 60 inches long she cuts at 40% of ribbon for an art project while working on the project she decided she only needs 35% of the pieces she cut off how much of the ribbon does Kelly end up using in a project

Which expression is equivalent to x (y+z) ? a) xyz b) x+y+z c) xy+z d) xy+xz