Prove that the following argument form is valid using only the standard valid argument forms and logical equivalences. Make sure you arrange your arguments in the given order . , . , . , . , .& then .
A. p ⟶ (t ^r )
B. ~q
C. u V ~p
D. ( u ^ r) ⟶~s
E. ~p⟶ q
∴ ~s

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

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.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.