Add the numerator and denominator seperatly, then find the quotient -3( - 8) / 5 + 7

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

Find the area of just the wood portion of the frame. this is called a composite figure. you will need to use your values from problem #2need all exepct 4 answerd if you can

If cos(θ)=2853 with θin q iv, what is sin(θ)?