I Need Help With These Three Algebra Questions I Have 30 Mins Left Help Please Sebody

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)