Add. PLS HELP I WILL GIVE BRAINLIEST PLUS EXTRA POINTS

1. [4−11−75]+[1−163]

[5−12−18]
[5−10−138]
[5−13−108]
[5−1−128]
2.Subtract.

[50−2]−[−138]

Enter your answer in the boxes.
[
]

Multiply.

3. [4−10512]

[12−301536]
[1−4−32−2−1]
[723845]
[12−30512]
4. Multiply.

−12[6−7]

[−3−7]
[−3312]
[−1214]
[312−3]

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Problem situation: caren is making rice and beans. she can spend no more than $10 on ingredients. she buys one bag of rice for $4.99. beans cost $0.74 per pound. how many pounds of beans, x, can she buy? inequality that represents this situation: 10≥4.99+0.74x drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution.

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4