Jacob is 4 years older than alexandra. in 6 years the sum of their ages will be 80. how old is jacob now?

If I can hop 5 meters in 4 seconds how long would it take to hop 30 meters? I'm trying to learn how to do the formula

A photograph is reduced by a scale factor of 3/4. If the original length of the photograph was 18 inches, what is the length of the reduced photo?

Which of the following is a sinusoid? A. y = |x| B. y = 2x C. y^2 + x^2 = 9 D. y = 2sin x

What is the largest common factor of 88 and 96?

Is four eighths bigger or smaller than tree fourths

Given the functions ƒ (x) and g (x), which of the following statements is true? x - 2 - 1 0 1 2 ƒ (x) - 3 3 5 3 - 3 g (x) = - x2 + 4x

Suppose you first randomly sample one card from a deck of 52. Then, without putting the card back in the deck you sample a second and then (again without replacing cards) a third.

What is the standard form equation of the line shown below? Graph of a line going through negative 2, 3 and 1, negative 3 1. y + 3 = - 2 (x - 1) 2. y = - 2x - 1 3. 2x + y = - 1 4. - 2x - y = 1

a plumber laying 500 meters of drain pipe required 20 men of working for 10 days. What length in meters would be laid by 50 men in 5 days, if they all work at the same rate?

Rob borrowed $1000 from his friend and paid him back $1050 in six months. what simple annual interest did Rob pay his friends