My mom told me I had a test today and I didn’t study she abuses me so much times abt this and I’m literally so disappointed. :( pls for once help... ( I put Al my points for this help :(((... + some people ask why do u don’t do ur homework and I say because I help people but they don’t help me so plsss.
I embarrassed all the time. Help me

41/2 - 1 1/3 what is the answer as a fraction?

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?