3 2/5 + ? = 4 how do I solve this problem with addiction of mixed numbers

The smaller of two similar rectangles has dimensions 4 and 6. Find the dimensions of the larger rectangle if the ratio of the perimeters is 2 to 3. 2 2/3 by 4 6 by 9 8 by 18 12 by 12

1. Solve 3n + 11 12. Which is the best description of the solution set? A. n - 4 B. n < - 4 C. n < 2 D. n < 2 or n < - 4 2. Solve 4x - 12. Which is the best description of the solution set? A. x < - 5 and x < 4 B. x < - 5 C. x < 4 D. x 4

20) (p+g) - (5-5); use p=1, and q=1

You are saving money to buy a new bicycle that costs $155.75. You have $30 and plan to save $5 each week. Your aunt decides to give you an additional $10 each week. a.

What's the LCM of 21 and 30

Lottie needs a driver. Drive A is offering his services for an initial $200 in addition to $80 per hour. Driver B is offering this service for an intal $230 and an addition of $70 per hour When will the two drivers charge the same amount

The length of a rectangular pool is 6 meters less than twice the width. If the pool's perimeter is 72 meters, what is the width?

How do you sole an expressions that have exponents?

Round this whole number Round 3,377 to the nearest hundred. A:3,000 B:3,380 C:3,300 D:3,400

Order these numbers from least to greatest, 5.29,5.2912, 5.029, 5.8