Solve.The sum of the squares of the digits of a positive two-digit number is 13, and the units digit is 1 more than the tens digit. Find the number.
A. 32
B. 43
C. 34
D. 23
Answer: D
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Solve the problem.An experimental model for a suspension bridge is built. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 4 inches tall and stand 40 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 6 inches from the lowest point of the cable.
A. 0.16 in. B. 0.56 in. C. 0.36 in. D. 1.44 in.
A rectangle is as long as it is wide. Its perimeter (the sum of the lengths of its sides) is 88 cm. Find its length and width.
A. The length is 25 cm and the width is 25 cm. B. The length is 24 cm and the width is 24 cm. C. The length is 22 cm and the width is 22 cm. D. The length is 19 cm and the width is 19 cm. E. The length is 21 cm and the width is 21 cm.
Solve the problem.A bottle of ketchup has a net weight of 48 ounces. A serving size is 
ounce. How many servings are in the bottle?
A. 97 ounces B. 24 servings C. 12 servings D. 96 servings
Solve.
= 3 + 
A. -1 B. No solution C. -5, -8 D. 5, 8