Harold was 5 years older than Mary. In 10 years he found that 4 times his age exceeded twice Mary's age by only 50. How old were Harold and Mary in the beginning?

An emperor penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the height h (in inches) of a rockhopper penguin. Is your answer reasonable? Explain

Factorise x2-22-+117

Which of the following best describes 6x^3 - 5y^2 according to the number of terms? A. monomial B. Trinomial C. binomial

2. Solve the following inequality - 1 >-2 (x-4) - 5 (4x - 7). A. x > 8 B. X2 C. x < 2 D. X > - 23

The sum of two numbers is 24. the sum of the squares of the two numbers is 306. what is the product of the two numbers?

Find the percent increase for 13 friends to 14 friends round to nearest percent if you can

ne Given vectors u and v, find (a) 3u (b) 3u + 2v (c) v-2u. ests (a) 3u (Type your answer in terms of i and j) nten ucce

Seth spent $3.26 on a salad. How much did his salad weigh?

A licensed nurse practitioner is instructed to give a patient 1500 milligrams of an antibiotic over a period of 48 hours.

You can buy 5 pounds of grapes for $9.95. what is a proportion that gives the cost c if you buy 4 pounds of grapes